| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| English |
| English | seduce | to persuade to disobey | vb | AHD W7 LRC |
| English | seduction | seducing to wrong | n | AHD W7 LRC |
| English | idiopathy | idiopathic disease/anomaly | n | AHD W7 LRC |
| English | boatswain | petty officer on ship | n | AHD W7 LRC |
| English | cacoethes | mania, insatiable desire | n | AHD W7 LRC |
| English | consuetude | custom, social usage | n | AHD W7 LRC |
| English | custom | common usage/practice | n | AHD W7 LRC |
| English | desolate | deserted, devoid of visitors/inhabitants | adj | AHD W7 LRC |
| English | desuetude | disuse, discontinuance from use/exercise | n | AHD W7 LRC |
| English | ethic | discipline re: what is good vs. bad | n | AHD W7 LRC |
| English | ethnic | heathen, neither Christian nor Jewish | adj | AHD W7 LRC |
| English | ethno- | race, people, cultural group | pfx | AHD W7 LRC |
| English | ethos | distinguishing tone/character/guiding beliefs | n | AHD W7 LRC |
| English | gossip | godparent | n | AHD W7 LRC |
| English | hetaera | highly cultivated Greek courtesan | n | AHD W7 LRC |
| English | idio- | distinct, personal, separate, one's own | pfx | AHD W7 LRC |
| English | idiom | dialect, language peculiar to class/people/district/community | n | AHD W7 LRC |
| English | idiopathic | peculiar to individual | adj | W7 LRC |
| English | idiot | person afflicted with idiocy | n | AHD W7 LRC |
| English | khedive | Turkish viceroy in Egypt | n | AHD LRC |
| English | Khotanese | ancient language of Xinjiang | prop.n | AHD LRC |
| English | mansuetude | tameness, meekness, gentleness | n | AHD W7 LRC |
| English | mastiff | (very large type of) dog | n | AHD W7 LRC |
| English | nisi | taking effect at specified time unless voided/modified | adj | AHD W7 LRC |
| English | quasi | seemingly, in some sense/degree | adv | AHD W7 LRC |
| English | self | person, individual | pron.inten | AHD W7 LRC |
| English | sib | akin, related by blood | adj | AHD W7 LRC |
| English | sic | intentionally so written | adv | AHD W7 LRC |
| English | so | in way/manner suggested/indicated | adv | AHD W7 LRC |
| English | sober | abstemious, sparing in use of food/drink | adj | AHD W7 LRC |
| English | sodality | brotherhood, community | n | AHD W7 LRC |
| English | sole | only, solitary | adj | AHD W7 LRC |
| English | solipsism | theory holding that only self exists | n | AHD W7 LRC |
| English | solitary | being/living/going alone/without companions | adj | AHD W7 LRC |
| English | solitude | seclusion, being alone/remote from society | n | AHD W7 LRC |
| English | solo | musical composition for single voice/instrument | n | AHD W7 LRC |
| English | such | (re:) kind/character suggested/indicated | adj | AHD W7 LRC |
| English | suicide | act/instance of killing oneself | n | AHD W7 LRC |
| English | sullen | gloomily/resentfully silent/repressed | adj | AHD W7 LRC |
| English | swain | peasant, rustic | n | AHD W7 LRC |
| English | swami | Hindu ascetic/religious teacher | n | AHD W7 LRC |
| Old English | gelīc | like | adj | W7 LRC |
| Old English | god-sibb | sponsor | n.masc | W7 LRC |
| Old English | se(o)lf, silf, sylf | self, same | pron.refl | ASD LRC |
| Old English | sibb | related; kinship, kinsman | adj | W7 LRC |
| Old English | swā | so, thus | adv | LRC |
| Old English | swān | swain: boy, herdsman | n | W7 LRC |
| Old English | swilc | such | adj | LRC |
| Old English | swilce | thus, likewise, such (manner) | adv | LRC |
| Middle English | bootswein | boatswain | n | W7 LRC |
| Middle English | consuetude | consuetude | n | W7 LRC |
| Middle English | custume | customer | n | W7 LRC |
| Middle English | desolat | desolate | adj | W7 LRC |
| Middle English | ethik | ethic | n | W7 LRC |
| Middle English | ethnic | ethnic | adj | W7 LRC |
| Middle English | gossib | gossip | n | W7 LRC |
| Middle English | mansuetude | mansuetude | n | W7 LRC |
| Middle English | mastif | mastiff | n | W7 LRC |
| Middle English | sib | sib | adj | W7 LRC |
| Middle English | so | so | adv | W7 LRC |
| Middle English | sobre | sober | adj | W7 LRC |
| Middle English | solain | sullen, solitary, | adj | W7 LRC |
| Middle English | sole | sole | adj | W7 LRC |
| Middle English | solitary | solitary | adj | W7 LRC |
| Middle English | solitude | solitude | n | W7 LRC |
| Middle English | such | such | adj | W7 LRC |
| Middle English | swein | swain: boy, servant | n | W7 LRC |
| Hellenic |
| Greek | idiopatheia | idiopathy, particular affection | adj | W7 LRC |
| Homeric Greek | ἑταῖρος | comrade, companion | n.masc | LRC |
| Homeric Greek | ἕταρος | comrade, companion | n.masc | LRC |
| Greek | ethnikos | ethnic, gentile, national | adj | W7 LRC |
| Greek | ethnos | tribe, nation | n.neut | W7 LRC |
| Greek | ἕκαστος | each, every | adj | LRC |
| Greek | ἐός | his, her | adj | LRC |
| Greek | hetaira | female companion, prostitute | n.fem | W7 LRC |
| Greek | hetairos | companion | n.masc | W7 LRC |
| Greek | ēthikē | ethic | n.fem | W7 LRC |
| Greek | ēthikos | ethical, re: character | adj | W7 LRC |
| Greek | ἦθος | ethos, custom | n.neut | LRC |
| Greek | ἰδίᾳ | privately | adv | LRC |
| Greek | ἰδίαν | alone | adv | LRC |
| Greek | ἴδιος | own, private, particular | adj | LRC |
| Greek | idiousthai | to appropriate | vb | W7 LRC |
| Greek | idiōma | idiom | n.neut | W7 LRC |
| Greek | idiōtēs | idiot, layman, ignorant person | n.masc | W7 LRC |
| Greek | kakoēthēs | malignant | adj | W7 LRC |
| Greek | ὅταν | when, every time | conj | LRC |
| Greek | ὅτε | when | conj | LRC |
| Greek | ὅτι | that, because | conj | LRC |
| Greek | ὅτος | someone | pron | LRC |
| Greek | σφεῖς | they | pron.refl | LRC |
| Greek | σφέτερος | own | adj | LRC |
| Greek | σφωε | those two | pron | LRC |
| Greek | hōs | so, thus | adv | W7 LRC |
| Greek | ὥστε | like, so that | adv | LRC |
| West Germanic |
| Old Frisian | sā | so, as, thus | adv | ASD LRC |
| Old Frisian | self | self, very own | pron | ASD LRC |
| Old Frisian | se-līk | such | pron | ASD LRC |
| Old Frisian | selk | such | pron | ASD LRC |
| Old Frisian | suck | such | pron | ASD LRC |
| Old Frisian | sulch | such | pron | ASD LRC |
| Old Frisian | sulk | such | pron | ASD LRC |
| Dutch | als | when | conj | TLL LRC |
| Dutch | zijn | his, its | pron.3.sg.masc | TLL LRC |
| Dutch | zoo | as | conj | TLL LRC |
| Dutch | zoodat | so that | conj | TLL LRC |
| Old Saxon | self | self, very own | pron | ASD LRC |
| Old Saxon | sō | so, as, thus | adv | ASD LRC |
| Old Saxon | su-līk | such | pron | ASD LRC |
| Old High German | selb, selp | self | pron.inten | W7 ASD LRC |
| Old High German | sīn | his | pron.poss | W7 LRC |
| Old High German | sippa | kinship, family | n | W7 LRC |
| Old High German | sō | so | adv | W7 LRC |
| Old High German | solh | such | pron | ASD LRC |
| Old High German | so-līh | such | pron | ASD LRC |
| Old High German | su-līh | such | adj | W7 ASD LRC |
| German | als | than, when | conj | TLL LRC |
| German | sein | his | pron.poss | LRC |
| German | selber | self | pron.inten | LRC |
| German | Sippe | kinship, family | n.fem | LRC |
| German | so | so | adv | LRC |
| North Germanic |
| Old Norse | sik | him-/her-/it-self; them-selves | pron.refl | LRC |
| Old Norse | sjálfr | self; him-/her-/it-self; themselves | adj | LRC |
| Old Norse | slíkr | such | adj | LRC |
| Old Norse | svá | so, thus, in this way; also; as, as if | adv | LRC |
| Old Norse | sveinn | boy, servant | n | W7 LRC |
| Icelandic | sjálfr | self, very own | pron | ASD LRC |
| Icelandic | slíkr | such | pron | ASD LRC |
| Icelandic | svá, svó | so, as, thus | adv | ASD LRC |
| Danish | saa | so, as, thus | adv | ASD LRC |
| Swedish | så | so, as, thus | adv | ASD LRC |
| East Germanic |
| Gothic | *seins | one's own | poss.adj | LRC |
| Gothic | silba | self | pron.refl | LRC |
| Gothic | swa | so, as, thus | adv | LRC |
| Gothic | swa-leiks | such | adj | ASD LRC |
| Gothic | swaswē | as, just as; so as; so as to, so that | conj | LRC |
| Gothic | swē | like, as, just as; so that; about | conj | LRC |
| Italic |
| Latin | consuesco, consuescere | to accustom | vb | W7 LRC |
| Latin | consuetudo | custom, mores | n.fem | W7 LRC |
| Latin | consuetus | used to | vb.ptc | W7 LRC |
| Latin | desolatus | abandoned | vb.ptc | W7 LRC |
| Latin | desolo, desolāre | to abandon | vb | W7 LRC |
| Latin | desuesco, desuescere | to become unaccustomed | vb | W7 LRC |
| Latin | desuetudo | obsoleteness | n.fem | W7 LRC |
| Latin | desuetus | obsolete | vb.ptc | W7 LRC |
| Latin | idiota | ignorant person | n.masc | W7 LRC |
| Latin | ipse, ipsa, ipsum | himself, herself, itself | pron | W7 LRC |
| Latin | mansuesco, mansuescere | to tame | vb | W7 LRC |
| Latin | mansuetudo | mansuetude | n.fem | W7 LRC |
| Latin | mansuetus | tame, mild | adj | W7 LRC |
| Latin | nisi | unless, if not | conj | W7 LRC |
| Latin | quasi | almost | adv | W7 LRC |
| Latin | se- | apart | pfx | W7 LRC |
| Latin | se | oneself | pron.acc | W7 LRC |
| Latin | sed | but | conj | W7 LRC |
| Latin | sī | if | conj | LRC |
| Latin | sīc | so, thus | adv | LRC |
| Latin | sobrius | sober | adj | W7 LRC |
| Latin | sodalis | comrade | n.masc | W7 LRC |
| Latin | sodalitas, sodalitatis | comradeship, club | n.fem | W7 LRC |
| Latin | solea | sandal; flatfish | n.fem | W7 LRC |
| Latin | sōleō, solēre, solitum | to be accustomed | vb | LRC |
| Latin | solitarius | alone, solitary | adj | W7 LRC |
| Latin | solitas | aloneness | n.fem | W7 LRC |
| Latin | sōlitūdō, sōlitūdinis | solitude | n.fem | W7 LRC |
| Latin | solitus, solita, solitum | usual, accustomed | adj | LRC |
| Latin | solus, sola, solum | alone | adj | LRC |
| Latin | suesco, suescere | to accustom, become accustomed | vb | W7 LRC |
| Latin | sui | of oneself | pron.refl.gen | W7 LRC |
| Latin | suus, sua, suum | one's own | pron | LRC |
| Vulgar Latin | mansuetinus | tame | adj | W7 LRC |
| Late Latin | ethnicus | ethnic | adj | W7 LRC |
| Late Latin | idioma | individual peculiarity of language | n.neut | W7 LRC |
| New Latin | ethos | habits of living | n.masc | W7 LRC |
| Portuguese | se | if, whether | conj | TLL LRC |
| Spanish | si | if, whether | conj | TLL LRC |
| Spanish | sino | but | conj | TLL LRC |
| Old French | custume | custom | n.fem | W7 LRC |
| Old French | se | oneself | pron.refl | W7 LRC |
| Middle French | ethique | ethic | n.fem | W7 LRC |
| Middle French | idiome | idiom, language | n.masc | W7 LRC |
| Middle French | mastin | mastiff | n.masc | W7 LRC |
| Middle French | sobre | sober, simple | adj | W7 LRC |
| Middle French | solain | sullen | adj | W7 LRC |
| Middle French | sole | flatfish | n.fem | W7 LRC |
| Middle French | solitude | solitude, loneliness | n.fem | W7 LRC |
| French | désuétude | obsoleteness | n.fem | W7 LRC |
| French | ethno- | ethno- | pfx | W7 LRC |
| French | si | if, whether | conj | TLL LRC |
| Italian | così | as | conj | TLL LRC |
| Italian | se | if, whether | conj | TLL LRC |
| Italian | solo | alone, single | adj | W7 LRC |
| Balto-Slavic |
| Lithuanian | savę̃s | oneself, itself | pron.refl | LRC |
| Latvian | sava | his, one's | pron | LRC |
| Latvian | savs | his | pron | LRC |
| Old Church Slavonic | svoi, svoe, svoja | own, one's own | adj | LRC |
| Old Church Slavonic | sebe | self | pron.refl | LRC |
| Armenian |
| Classical Armenian | inkʿnin | he himself, he personally, the very one | pron.emph | LRC |
| Classical Armenian | iwr | himself, herself, itself | pron.refl | LRC |
| Indo-Iranian |
| Sanskrit | sva | one's own, one's self | adj | W7 LRC |
| Sanskrit | svāmin | lord, owner | n | W7 LRC |
| Hindi | svāmī | swami | n | W7 LRC |