| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| English |
| English | twibill | double-bladed battle-ax, lit. two-bill | n | AHD CDC LRC |
| English | diphyodont | having 2 sets of teeth | adj | AHD CDC LRC |
| English | 'tween | between | prep | LRC |
| English | anadiplosis | repetition of last/prominent word in one phrase/clause at beginning of next | n | AHD W7 LRC |
| English | balance | scale for weighing | n | AHD W7 LRC |
| English | between | by common action, in common to | adv | AHD W7 LRC |
| English | betwixt | between | prep | AHD W7 LRC |
| English | bezel | sloping edge/face on cutting tool | n | AHD W7 LRC |
| English | bi- | two, twice, double | pfx | AHD W7 LRC |
| English | binal | double, twofold, binary | adj | AHD LRC |
| English | binary | re: two things/parts | adj | AHD W7 LRC |
| English | bis | twice | adv | AHD W7 LRC |
| English | bistort | plant with twisted roots | n | AHD W7 LRC |
| English | combine | to bring closely together | vb | AHD W7 LRC |
| English | conduplicate | folded lengthwise | adj | AHD W7 LRC |
| English | deuce | face of die bearing two spots | n | AHD W7 LRC |
| English | di- | twice, double, twofold | pfx | AHD W7 LRC |
| English | di(a)- | through, across | pfx | W7 LRC |
| English | diadelphous | having stamens united in 2 sets by filaments | adj | AHD CDC LRC |
| English | diapir | intrusion of rock core into overburden | n | AHD LRC |
| English | Diaspora | dispersion of Jews among Gentiles | prop.n | AHD CDC LRC |
| English | dichasium | cymose inflorescence with two main axes | n | AHD W7 LRC |
| English | dicho- | in pairs, in 2 parts | pfx | AHD LRC |
| English | dicrotism | having 2 pulse beats per heartbeat | n | AHD LRC |
| English | didymium | mixture of neodymium/praseodymium | n | AHD W7 LRC |
| English | didymous | re: twin(s), growing in pairs | adj | AHD W7 LRC |
| English | diglossia | language division: prestigious vs. colloquial | n | AHD LRC |
| English | dimer | two identical molecules combined | n | AHD LRC |
| English | diplo- | double | pfx | AHD LRC |
| English | diploe | cancellous bony tissue in skull | n | AHD W7 LRC |
| English | diploid | double, twofold | adj | AHD LRC |
| English | diploma | charter, official/state document | n | AHD W7 LRC |
| English | dipteral | dipterous, having (only) 2 wings | adj | AHD CDC LRC |
| English | double | dual, having twofold relation/character | adj | AHD W7 LRC |
| English | doublet | man's long close-fitting jacket | n | AHD W7 LRC |
| English | doubloon | old Spanish gold coin | n | AHD W7 LRC |
| English | doubt | to fear | vb | AHD W7 LRC |
| English | duad | pair | n | AHD W7 LRC |
| English | dual | re: two | adj | AHD W7 LRC |
| English | dubious | equivocal, occasioning doubt | adj | AHD W7 LRC |
| English | duet | composition for two performers | n | AHD W7 LRC |
| English | duo- | two | pfx | AHD W7 LRC |
| English | duo | pair, duet | n | AHD W7 LRC |
| English | duple | having two units/members | adj | AHD W7 LRC |
| English | duplex | double, twofold | adj | AHD W7 LRC |
| English | duplicate | re: two identical/corresponding parts/examples | adj | AHD W7 LRC |
| English | duplicity | doubleness, state of being double | n | AHD CDC LRC |
| English | dyad | pair | n | AHD W7 LRC |
| English | epididymis | elongated mass at back of testis | n | AHD W7 LRC |
| English | hendiadys | expression of idea by two connected nouns | n | AHD W7 LRC |
| English | mistletoe | European semiparasitic green shrub | n | GED W7 LRC |
| English | redoubtable | formidable, causing fear/alarm | adj | AHD W7 LRC |
| English | twain | two | adj | AHD W7 LRC |
| English | tway | two (2) | nbr.card.dial | AHD W7 LRC |
| English | twayblade | type of orchid | n | AHD W7 LRC |
| English | tweens | hobbit years 20-32 in Tolkien: The Lord of the Rings | n.pl | LRC |
| English | twelfth | 12th | nbr.ord | AHD LRC |
| English | twelve | 12 | nbr.card | AHD W7 LRC |
| English | twenty | 20 | nbr.card | AHD W7 LRC |
| English | twice | on two occasions | adv | AHD W7 LRC |
| English | twig | small shoot/branch | n | AHD W7 LRC |
| English | twilight | light refracted/reflected by atmosphere while sun is down | n | AHD LRC |
| English | twill | fabric with a certain weave | n | AHD W7 LRC |
| English | twin | (born) together as pair | adj | AHD W7 LRC |
| English | twin | either of two born together | n | W7 LRC |
| English | twine | strong string of two/more twisted strands | n | AHD W7 LRC |
| English | twist | to unite (strands/threads/wires) by winding one around another | vb | AHD W7 LRC |
| English | twixt | betwixt | prep | AHD W7 LRC |
| English | two | 2 | nbr.card | AHD W7 LRC |
| English | twofold | double, 2 times the number/quantity | adj | LRC |
| English | zwitterion | dipolar ion | n | AHD W7 LRC |
| Scots English | betwisht, betweesht | betwixt | prep | CDC LRC |
| Old English | be-twēon(um), bitweon(um) | between | adv | GED ASD LRC |
| Old English | betwīnun, betwȳnum | between | adv | CDC LRC |
| Old English | be-t(w)ux, betwēox | betwixt | prep | W7 CDC LRC |
| Old English | betwyxt, betwuzt, betweoks | betwixt | prep | CDC LRC |
| Old English | ge-twǣfan | to rob, separate | vb.wk | GED LRC |
| Old English | ge-twin(n) | twin | n.masc | GED ASD LRC |
| Old English | tān | twig | n | GED LRC |
| Old English | twǣgentig, twēntig | twenty (20), lit. twice-ten | nbr.card | GED LRC |
| Old English | twēgen, twægen, tw(u)ā, tū | twain, two (2) | nbr.card | LRC |
| Old English | twelf | twelve (12), lit. two left | nbr.card | GED LRC |
| Old English | twēo | doubt | n.masc | GED LRC |
| Old English | twēogan | to doubt | vb.wk | GED LRC |
| Old English | -twēon | 'tween | sfx | W7 LRC |
| Old English | twi- | twice, double | pfx | W7 LRC |
| Old English | twi-fēte | two-footed | adj | GED LRC |
| Old English | twi-ga | twice | adv | GED LRC |
| Old English | twiga | twice | adv | W7 LRC |
| Old English | twig(ge) | twig, branch | n.neut | GED LRC |
| Old English | twilic | having double thread | adj | W7 LRC |
| Old English | twīn | twine | n | W7 LRC |
| Old English | twinn | twofold, two-by-two | adj | W7 LRC |
| Old English | -twist | rope | n.sfx | W7 LRC |
| Old English | twi-wa | twice | adv | GED LRC |
| Old English | -twux | twixt | sfx | W7 LRC |
| Northumbrian | betweón, betwēn, bitwēn | between | adv | CDC LRC |
| Middle English | at(w)o | apart, in two | adv | MEV LRC |
| Middle English | atwynne | in two | adv | MEV LRC |
| Middle English | bala(u)nce | balance | n | W7 CDC LRC |
| Middle English | betwen(e), bitwene, bytwene | between | adv | W7 CDC MEV LRC |
| Middle English | betwix(t), bitwixe | betwixt | prep | W7 MEV LRC |
| Middle English | bi- | bi- | pfx | W7 LRC |
| Middle English | binarie | binary | adj | AHD LRC |
| Middle English | bytwyzte, betuxt, betuix | betwixt | prep | CDC LRC |
| Middle English | combinen | to combine | vb | W7 LRC |
| Middle English | di- | di- | pfx | W7 LRC |
| Middle English | double | double | adj | W7 LRC |
| Middle English | doublet | doublet | n | W7 LRC |
| Middle English | douten | to doubt | vb | W7 LRC |
| Middle English | duplicate | to duplicate | vb | W7 LRC |
| Middle English | redoutable | redoubtable | adj | W7 LRC |
| Middle English | twa | two (2) | nbr.card | W7 LRC |
| Middle English | twain | twain | adj | W7 LRC |
| Middle English | twelve | twelve (12) | nbr.card | W7 LRC |
| Middle English | twenty | twenty (20) | nbr.card | W7 LRC |
| Middle English | twi(g)es | twice | adv | W7 LRC |
| Middle English | twigge | twig | n | W7 LRC |
| Middle English | twin | twine | n | W7 LRC |
| Middle English | twisten | to twist | vb | W7 LRC |
| Middle English | twix | twixt | prep | W7 LRC |
| Middle English | two | two (2) | nbr.card | W7 LRC |
| Middle English | twyll | twill | n | W7 LRC |
| East Germanic |
| Crimean Gothic | *þiinetua, thune-tua | twelve (10 + 2) | nbr.card | CGo GED LRC |
| Gothic | *tains | twig, branch | n.masc | GED LRC |
| Gothic | twai, twos, twa | two (2) | nbr.card | LRC |
| Gothic | twai-tigjus | twenty (20) | nbr.card | ASD LRC |
| Gothic | twa-lif | twelve (12), lit. two left | nbr.card | GED LRC |
| Gothic | *tweifleins | doubt | n.fem | GED LRC |
| Gothic | tweifljan | to cause doubt | vb.wk | GED LRC |
| Gothic | *tweifls | doubt | n.masc | GED LRC |
| Gothic | *tweihnai | both, two each | adj | GED LRC |
| Gothic | tweihnai | two each | adj | W7 GED LRC |
| Gothic | tweihnaim | 'tween | prep | W7 GED LRC |
| Gothic | *twis-standan | to part | vb.str.VI | GED LRC |
| Gothic | *twis-stass | discord | n.fem | GED LRC |
| Gothic | weina-tains | vine-twig/branch | n.masc | GED LRC |
| Gothic | wit | we two | pron.du | GED LRC |
| Crimean Gothic | tua | two (2) | nbr.card | GED LRC |
| Celtic |
| Old Irish | da, di, da | two (2) | nbr.card | GED LRC |
| Old Irish | dē-riad | pair of horses | n | GED LRC |
| Old Irish | diabul | double | adj | GED LRC |
| Irish | dó | two (2) | nbr.card | LRC |
| Scots Gaelic | dà | two (2) | nbr.card | LRC |
| Manx | daa | two (2) | nbr.card | LRC |
| Old Welsh | dou | two (2) | nbr.card | EIE LRC |
| Middle Welsh | dwy-flwydd | biennium | n.fem | GED LRC |
| West Germanic |
| Old Frisian | twelef, twilif, tolef | twelve (12), lit. two left | nbr.card | GED ASD LRC |
| Old Frisian | twēn(e), twā, twā | two (2) | nbr.card | GED LRC |
| Old Frisian | twi- | twice, double | pfx | ASD LRC |
| Old Frisian | twīfil | doubt | n.masc | GED LRC |
| Old Frisian | twīne | two each | adj | GED LRC |
| Old Frisian | twintich, twintege | twenty (20) | nbr.card | GED ASD LRC |
| Old Frisian | twi-ra | twice | adv | GED LRC |
| Old Frisian | twiska(a) | twixt | prep | GED LRC |
| Old Frisian | twist | division | n.str.masc | GED LRC |
| Middle Dutch | twijn | twine | n | W7 LRC |
| Middle Dutch | twist | quarrel, division | n.str.masc | GED LRC |
| Dutch | teen | twig, withe, osier | n.masc | GED ASD LRC |
| Dutch | tusschen | between, among | prep | TLL LRC |
| Dutch | twee | two (2) | nbr.card | LRC |
| Dutch | tweeling | twin | n | TLL LRC |
| Dutch | twiju | twine, twist | n.neut | ASD LRC |
| Old Saxon | tēn | staff | n | GED LRC |
| Old Saxon | tweho | doubt, uncertainty | n.masc | GED LRC |
| Old Saxon | twehōn | to (inspire) doubt | vb.wk | GED LRC |
| Old Saxon | twelif | twelve (12), lit. two left | nbr.card | GED LRC |
| Old Saxon | twēne, twā, twō, twē | two (2) | nbr.card | GED LRC |
| Old Saxon | twentig | twenty (20) | nbr.card | GED LRC |
| Old Saxon | twīfli | doubtful | adj | GED LRC |
| Old Saxon | twīflian, twīflōn | to cause (to) doubt | vb.wk | GED LRC |
| Old Saxon | twisc | two each | adj | GED LRC |
| Old Saxon | twist | division | n.str.masc | GED LRC |
| Old Low German | twi- | twice, double | pfx | ASD LRC |
| Middle Low German | tēn | thin metal rod | n | GED LRC |
| Middle Low German | twīvel | doubt | n.str.masc | GED LRC |
| Old High German | zein, zain | twig, reed, ruler | n.masc | ASD LRC |
| Old High German | zweho | doubt, ambiguity | n.masc | GED LRC |
| Old High German | zwehōn | to doubt, hesitate | vb.wk | GED LRC |
| Old High German | zweig | twig | n | GED LRC |
| Old High German | zweinzug | twenty (20) | nbr.card | GED LRC |
| Old High German | zwelif | twelve (12), lit. two left | nbr.card | GED LRC |
| Old High German | zwēne, zwā, zwō, zwei | two (2) | nbr.card | GED LRC |
| Old High German | zwi- | twice, double | pfx | ASD LRC |
| Old High German | zwīfoli | doubtful | adj | GED LRC |
| Old High German | zwī(g) | twig, branch | n.str.masc | GED ASD LRC |
| Old High German | zwinal, gezuinele | twin | n.masc | ASD LRC |
| Old High German | zwiro, zwirōr | twice | adv | GED LRC |
| Old High German | zwisk | twofold | adj | GED LRC |
| Old High German | zwīval | doubt | n.str.masc | GED LRC |
| Old High German | zwīvelen | to cause (to) doubt | vb.wk | GED LRC |
| Old High German | zwīvo | doubt | n.wk.masc | GED LRC |
| Middle High German | zein(e) | reed, branch; rod, pole | n | GED LRC |
| Middle High German | zwēne | two (2) | nbr.card | CDC LRC |
| Middle High German | zwi- | two, twice, double | pfx | CDC LRC |
| Middle High German | zwir, zwis | twice | adv | GED LRC |
| Middle High German | zwirn | twist, thread | n.str.masc | GED LRC |
| Middle High German | zwist | division | n.str.masc | GED LRC |
| German | Zain | reed, branch; rod, pole | n.masc | GED LRC |
| German | zwanzig | twenty (20) | nbr.card | LRC |
| German | zween | two (2) | nbr.card | CDC LRC |
| German | zwei | twain, two (2) | nbr.card | GED LRC |
| German | Zweifel | doubt | n.masc | LRC |
| German | zweifeln | to (cause to) doubt | vb | LRC |
| German | Zweig | twig, branch | n.masc | LRC |
| German | zweimal | twice | adv | LRC |
| German | zwie- | two, twice, double | pfx | CDC LRC |
| German | Zwilling | twin | n.masc | LRC |
| German | zwischen | between, among | prep | TLL LRC |
| German | Zwist | brawl, dispute | n.masc | LRC |
| German | zwitter | hybrid | adj | W7 LRC |
| German | Zwitterion | zwitterion | n.neut | W7 LRC |
| German | zwölf | twelve (12) | nbr.card | LRC |
| North Germanic |
| Old Norse | tveir, tvā | two (2) | nbr.card | EIE LRC |
| Old Norse | tvinnr | two-by-two | adv | W7 LRC |
| Old Icelandic | teinn | twig, sprout | n | GED LRC |
| Old Icelandic | tolf | twelve (12), lit. two left | nbr.card | GED LRC |
| Old Icelandic | tuttugu | twenty (20) | nbr.card | GED LRC |
| Old Icelandic | tveir, tvǣr, tvā | two (2) | nbr.card | GED LRC |
| Old Icelandic | tvennr, tvinnr | twofold | adj | GED LRC |
| Old Icelandic | tvis-tra | to separate | vb.wk | GED LRC |
| Old Icelandic | tvis-var | twice | adv | GED LRC |
| Old Icelandic | tvī-faldr | double, lit. two-fold | adj | GED LRC |
| Old Icelandic | tys-var | twice | adv | GED LRC |
| Icelandic | teinn | twig, sprout, spit | n.masc | ASD LRC |
| Icelandic | tólf | twelve (12) | nbr.card | ASD LRC |
| Icelandic | tuttugu | twenty (20) | nbr.card | ASD LRC |
| Icelandic | tveir, tvær, tvau | two (2) | nbr.card | ASD LRC |
| Icelandic | tvi-fættr | two-footed | adj | ASD LRC |
| Icelandic | tví- | twice, double | pfx | ASD LRC |
| Norwegian | ten | slender rod | n.masc | ASD LRC |
| Danish | ten | spindle | n.masc | ASD LRC |
| Danish | to | two (2) | nbr.card | LRC |
| Danish | tvilling | twin | n | TLL LRC |
| Old Swedish | twis-wær | twice | adv | GED LRC |
| Old Swedish | tys-wa(r) | twice | adv | GED LRC |
| Swedish | ten | rod, spindle | n.masc | ASD LRC |
| Swedish | tvilling | twin | n | TLL LRC |
| Swedish | två | two (2) | nbr.card | LRC |
| Italic |
| Old Latin | *duīni | two each | adj | CDC LRC |
| Old Latin | duis, dvis | twice | adv | GED LRC |
| Latin | bilanx | having two scale pans | adj | AHD LRC |
| Latin | bilix, bilicis | having double thread | adj | W7 LRC |
| Latin | bīnālis | twin | n | AHD LRC |
| Latin | binarius | binary, two-part | adj | CDC LRC |
| Latin | bīni, bīnae, bīna | two each, two-by-two | adj | GED LRC |
| Latin | bi-pēs | two-footed | adj | GED LRC |
| Latin | bis, bi- | twice, double, in two | adj | GED LRC |
| Latin | conduplico, conduplicāre, conduplicavi, conduplicatus | to double | vb | W7 LRC |
| Latin | di- | undo, separate | pfx | W7 LRC |
| Latin | diploma | folded letter, letter of introduction | n.neut | W7 LRC |
| Latin | dis | apart, in two directions | prep | GED LRC |
| Latin | dualis | of two, binary | adj | W7 LRC |
| Latin | dubitō, dubitāre | to doubt, waver | vb | W7 LRC |
| Latin | dubius | dubious | adj | W7 LRC |
| Latin | dubo, dubare | to vacillate | vb | W7 LRC |
| Latin | duo, duae, duo | two (2) | nbr.card | LRC |
| Latin | duodecim | twelve (12), lit. two (and) ten | nbr.card | GED LRC |
| Latin | duplex, duplicis | double | adj | W7 LRC |
| Latin | duplicō, duplicāre, duplicavi, duplicatus | to double, duplicate | vb | W7 LRC |
| Latin | duplus, dupla, duplum | double, lit. two-fold | adj | GED LRC |
| Latin | vīgintī | twenty (20) | nbr.card | GED LRC |
| Vulgar Latin | bilancia | scale | n.fem | W7 LRC |
| Late Latin | anadiplosis | anadiplosis | n.fem | W7 LRC |
| Late Latin | bilanx, bilancis | having two scalepans | adj | W7 LRC |
| Late Latin | binarius | two by two | adj | W7 LRC |
| Late Latin | combino, combināre | to combine | vb | W7 LRC |
| Late Latin | dyas, dyadis | dyad | n.fem | W7 LRC |
| Late Latin | hendiadys | expression of idea via 2 nouns connected by 'and' | n.neut | W7 LRC |
| Middle Latin | bisalus | stone with two slopes/angles | n | CDC LRC |
| New Latin | bistorta | bistort | n | CDC LRC |
| New Latin | dichasium | cymose inflorescence | n.neut | W7 LRC |
| New Latin | diploe | bony tissue in the skull | n.masc | W7 LRC |
| New Latin | epididymis | mass of tubes in testicles | n.fem | W7 LRC |
| Portuguese | balança | balance | n | CDC LRC |
| Portuguese | bisel | bezel | n | CDC LRC |
| Spanish | balanza, balanca | balance | n | CDC LRC |
| Spanish | bisel | bezel | n | CDC LRC |
| Spanish | dobla | old Spanish coin | n.fem | W7 LRC |
| Spanish | doblón | old Spanish coin | n.masc | W7 LRC |
| Old French | balance | scale | n.fem | W7 LRC |
| Old French | *besel, bisel | bevel | n | CDC LRC |
| Old French | double | double, twofold | adj | W7 LRC |
| Old French | douter | to doubt | vb | W7 LRC |
| Middle French | bistorte | bistort | n | W7 LRC |
| Middle French | combiner | to combine | vb | W7 LRC |
| Middle French | deus | two (2) | nbr.card | W7 LRC |
| Middle French | di- | two | pfx | W7 LRC |
| Middle French | double | double | adj | W7 LRC |
| Middle French | doublet | doublet | n.masc | W7 LRC |
| Middle French | douter | to doubt | vb | W7 LRC |
| Middle French | redoutable | redoubtable, to be feared | adj | W7 LRC |
| Middle French | redouter | to dread | vb | W7 LRC |
| French | balance | balance | n | CDC LRC |
| French | biseau | bevel, chamfer | n.masc | W7 LRC |
| French | bistorte | bistort | n | CDC LRC |
| Old Occitan | balansa | balance | n | CDC LRC |
| Italian | bilancia | balance | n | CDC LRC |
| Italian | bistorta | bistort | n | CDC LRC |
| Italian | duetto | duet, dialogue, couple | n.masc | W7 CID LRC |
| Italian | duo | two | adj | W7 LRC |
| Balto-Slavic |
| Old Prussian | dwai | two (2) | nbr.card | EIE LRC |
| Czech | oba-pol | from both sides | adj | GED LRC |
| Lithuanian | dù, dvì | two (2) | nbr.card | GED LRC |
| Lithuanian | dveigỹs | two years old | adj | GED LRC |
| Lithuanian | dvejópas | twofold | adj | GED LRC |
| Lithuanian | dvìdešimt | twenty (20) | nbr.card | GED LRC |
| Lithuanian | dvỹ(na)s | twin | n | GED LRC |
| Lithuanian | tíek | so much, so many | adv | LRC |
| Lithuanian | vè-du | lit. we two | pron | GED LRC |
| Latvian | divi | two (2) | nbr.card | GED LRC |
| Latvian | dvìnis | twin | n | GED LRC |
| Russian | dva, dve | two (2) | nbr.card | EIE LRC |
| Russian | dvójka | pair | n | GED LRC |
| Serbo-Croatian | dvîze | two-year-old | adj | GED LRC |
| Old Church Slavonic | dъva, dъvě | two (2) | nbr.card | GED LRC |
| Paleo-Balkan |
| Albanian | dy | two (2) | nbr.card | EIE LRC |
| Albanian | dytë | second (2nd) | nbr.ord | EIE LRC |
| Hellenic |
| Mycenaean | dwo | two (2) | nbr.card | EIE LRC |
| Homeric Greek | διά | through, between | prep | LRC |
| Homeric Greek | δοιή | doubt, perplexity | n | GED LRC |
| Homeric Greek | δύο, δύω | two (2) | nbr.card | LRC |
| Greek | anadiploun | to double | vb | W7 LRC |
| Greek | anadiplōsis | repetition | n.fem | W7 LRC |
| Greek | διά | apart, in two directions | adv | GED LRC |
| Greek | didymos | double | adj | W7 LRC |
| Greek | διόπερ | therefore, so | adv | LRC |
| Greek | δι-πλός | double, lit. two-fold | adj | GED LRC |
| Greek | διπλόω | to double | vb | LRC |
| Greek | diplōma | folded paper, passport | n.neut | W7 LRC |
| Greek | δί-πους | two-footed | adj | GED LRC |
| Greek | δι(ς)- | two | pfx | CDC LRC |
| Greek | δίς | twice | adv | GED LRC |
| Greek | διστάζω | doubt | n | GED LRC |
| Greek | dicha | separated in two | adv | W7 LRC |
| Greek | dichazein | to halve | vb | W7 LRC |
| Greek | dichasis | halving | n.fem | W7 LRC |
| Greek | δῠο-καί-δεκα | twelve (12), lit. two-and-ten | nbr.card | GED LRC |
| Greek | δώ-δεκα | twelve (12), lit. two-ten | nbr.card | GED LRC |
| Anatolian |
| Lycian | cbi-, tbi- | other; two (2) | adj | GED LRC |
| Lycian | cbijêtezi | second (2nd) | nbr.ord | GED LRC |
| Hittite | da-iuga | two-year-old | n | GED LRC |
| Hittite | dammai- | other | adj | GED LRC |
| Hittite | dan, tan | second (2nd) | nbr.ord | GED LRC |
| Hittite | duiyanalli- | second-ranked official | n | GED LRC |
| Armenian |
| Armenian | erkeam | two-year-old | n | GED LRC |
| Armenian | erko-tasn | twelve (12), lit. two (and) ten | nbr.card | GED LRC |
| Armenian | erku | two (2) | nbr.card | EIE LRC |
| Indo-Iranian |
| New Persian | dovvom, doyyom | second (2nd) | nbr.ord | EIE LRC |
| Avestan | biš | twice | adv | GED LRC |
| Avestan | daibitya | second (2nd) | nbr.ord | EIE LRC |
| Avestan | dva | two (2) | nbr.card | EIE LRC |
| Khotanese | śäta- | second (2nd) | nbr.ord | EIE LRC |
| Pushto | dwayam | second (2nd) | nbr.ord | EIE LRC |
| Sanskrit | d(u)vā́, dvaú | two (2) | nbr.card.masc | GED LRC |
| Sanskrit | d(u)vé | two (2) | nbr.card.fem | GED LRC |
| Sanskrit | dva-kás | paired | adj | GED LRC |
| Sanskrit | dva-yám | falseness | n | GED LRC |
| Sanskrit | dvā́daśa | twelve (12), lit. two (and) ten | nbr.card | GED LRC |
| Sanskrit | dvi- | two | pfx | CDC LRC |
| Sanskrit | dvi-kás | two-part, consisting of two | adj | GED LRC |
| Sanskrit | dvitā́ | twice, double | adv | GED LRC |
| Sanskrit | dvitī́ya | second (2nd) | nbr.ord | GED LRC |
| Sanskrit | dvi-pád- | two-footed | adj | GED LRC |
| Sanskrit | dvíṣ | twice | adv | GED LRC |
| Sanskrit | dviṣṭhas | ambiguous | adj | GED LRC |
| Tocharian |
| Tocharian B | ikäṃ | twenty (20) | nbr.card | GED LRC |
| Tocharian B | wate | second (2nd) | nbr.ord | EIE LRC |
| Tocharian B | wi | two (2) | nbr.card | GED LRC |
| Tocharian A | wät | second (2nd) | nbr.ord | EIE LRC |
| Tocharian A | wiki | twenty (20) | nbr.card | GED LRC |
| Tocharian A | wu, wi | two (2) | nbr.card | GED LRC |