| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| English |
| English | twofold | double, 2 times the number/quantity | adj | LRC |
| English | fourfold | quadruple, 4 times the number/quantity | adj | LRC |
| English | multiple | more than one | adj | AHD W7 LRC |
| English | multiply | to increase in number | vb | W7 LRC |
| English | eightfold | 8 times the number/quantity | adj | AHD LRC |
| English | -blastic | having germ layer(s) | sfx | AHD W7 LRC |
| English | decuple | tenfold, having 10 units/members | adj | AHD W7 LRC |
| English | double | having 2 units/members | adj | LRC |
| English | double | to make doubly great/many | vb | AHD W7 LRC |
| English | faldstool | folding stool/chair | n | AHD W7 LRC |
| English | faltboat | small folding boat/collapsible canoe | n | AHD W7 LRC |
| English | fauteuil | upholstered armchair with open sides | n | AHD LRC |
| English | feel, felt | to touch with tactile sensation | vb.str | AHD W7 LRC |
| English | -fold | times, multiplied by | sfx | AHD W7 LRC |
| English | fold | to lay/bend one part over another | vb | AHD W7 LRC |
| English | furbelow | ruffle, pleated/gathered material | n | AHD W7 LRC |
| English | manifold | lit. many-fold | adj | W7 LRC |
| English | quadruple | having 4 units/members | adj | AHD W7 LRC |
| English | quintuple | having 5 units/members | adj | AHD W7 LRC |
| English | septuple | having 7 units/members | adj | AHD LRC |
| English | sextuple | having 6 units/members | adj | AHD W7 LRC |
| English | threefold | triple, 3 times the number/quantity | adj | W7 LRC |
| English | triple | having 3 units/members | adj | AHD W7 LRC |
| English | triple | threefold sum/number/quantity | n | AHD W7 LRC |
| English | triple | to make triply great/many | vb | AHD W7 LRC |
| English | triploblastic | having 3 primary germ layers | adj | AHD W7 LRC |
| Old English | -feald | -fold | sfx | W7 LRC |
| Old English | fealdan | to fold, wrap | vb | W7 LRC |
| Old English | fēlan | to feel | vb.wk | W7 ASD LRC |
| Old English | manig-feald | manifold | adj | W7 LRC |
| Middle English | felen | to feel | vb | W7 LRC |
| Middle English | -fold | -fold | sfx | W7 LRC |
| Middle English | folden | to fold | vb | W7 LRC |
| Middle English | manifold | manifold | adj | W7 LRC |
| Middle English | multiplien | to multiply | vb | W7 LRC |
| Middle English | triple | triple | adj | W7 LRC |
| Middle English | triplen | to triple | vb | W7 LRC |
| West Germanic |
| Old Frisian | -fald | -fold | sfx | ASD LRC |
| Old Frisian | fēla | to feel | vb | ASD LRC |
| Frisian | fielen | to feel | vb | ASD LRC |
| Dutch | voelen | to feel | vb | ASD LRC |
| Dutch | vouwen | to fold | vb | ASD LRC |
| Old Saxon | -fald | -fold | sfx | ASD LRC |
| Old Saxon | gi-fōlian | to feel | vb | ASD LRC |
| Old Saxon | manag-fald | manifold, multiplex | adj | ASD LRC |
| Low German | fölen | to feel | vb | ASD LRC |
| Old High German | faldan | to fold | vb | W7 LRC |
| Old High German | -falt | -fold | sfx | W7 LRC |
| Old High German | faltistuol | folding chair | n | W7 LRC |
| Old High German | fuolēn, fuoljan | to feel | vb | ASD LRC |
| Old High German | manag-fald | manifold, multiplex | adj | ASD LRC |
| Middle High German | valden, valten | to fold | vb | ASD LRC |
| Middle High German | -valt | -fold | sfx | ASD LRC |
| Middle High German | vüelen | to feel | vb | ASD LRC |
| German | faltboot | folding boat | n | W7 LRC |
| German | falten | to fold | vb | W7 LRC |
| German | fühlen | to feel | vb | ASD LRC |
| German | mannigfaltig | manifold, multiplex | adj | LRC |
| North Germanic |
| Old Norse | feldr | cloak | n.masc | LRC |
| Icelandic | falda | to fold | vb | ASD LRC |
| Danish | folde | to fold | vb | ASD LRC |
| Danish | föle | to feel | vb | ASD LRC |
| Danish | involde | intestines | n | TLL LRC |
| Swedish | fålla | to fold | vb | ASD LRC |
| East Germanic |
| Gothic | falþan | to fold | vb | ASD LRC |
| Gothic | -falþs | -fold | sfx | ASD LRC |
| Gothic | manag-falþs | manifold | adj | ASD LRC |
| Italic |
| Latin | multiplex | multiple, manifold | adj | W7 LRC |
| Latin | -plex | -fold | sfx | W7 LRC |
| Latin | -plus | multiplied by | sfx | W7 LRC |
| Latin | quadruplus | quadruple | adj | W7 LRC |
| Latin | triplus | triple | adj | W7 LRC |
| Late Latin | decuplus | decuple | adj | W7 LRC |
| Late Latin | quintuplex | multiplied by 5 | adj | W7 LRC |
| Late Latin | triplo, triplāre | to triple | vb | W7 LRC |
| Medieval Latin | sextuplus | sextuple | adj | W7 LRC |
| Old French | multiplier | to multiply | vb | W7 LRC |
| Middle French | décuple | decuple | adj | W7 LRC |
| Middle French | quadruple | quadruple | adj | W7 LRC |
| Middle French | quintuple | quintuple | adj | W7 LRC |
| Middle French | triple | triple | adj | W7 LRC |
| French | décupler | to multiply by 10 | vb | W7 LRC |
| French | multiple | multiple, manifold | adj | W7 LRC |
| Hellenic |
| Greek | diplasios | twofold | adj | W7 LRC |