| Vocable | Translation |
| in vincula conicere Phrase | still in translation |
| in vincula dare Phrase | still in translation |
| inter liberos Phrase | still in translation |
| inter Prap. m. Akk. Phrase | still in translation |
| interim Adverb | meanwhile, in the meantime, at the same time, how… |
| interire Other | still in translation |
| intra Preposition | in, within, inside |
| intra decem annos Phrase | still in translation |
| intra Prap. m. Akk. Phrase | still in translation |
| intrinsecus Adverb | internally, on/in the inside, from within, inward… |
| intro Adverb | within, in, to the inside, indoors |
| introrsum Adverb | to within, inwards internally |
| introrsus Adverb | within, inside, to within, inwards, inwardly, int… |
| introsum Adverb | to within, inwards, internally |
| introsus Adverb | within, inside, to within, inwards, internally |
| intrā Preposition | within, inside |
| intus Adverb | within, on the inside, inside, at home |
| intus Adv. Phrase | still in translation |
| invicem Adverb | in turn, by turns, reciprocally/mutually, [ab inv… |
| invitounus Other | still in translation |
| Io Interjection | Yo!, Hurrah! (ritual exclamation of strong emotio… |
| iocari Verb | still in translation |
| ionios Other | Hera |
| iphicles Noun | still in translation |
| Iphigeneia Personal Pronoun | Iphigenia |
| ipse, ipsa, ipsum Phrase | very |
| ipse/ipsa/ipsum Pronoun | still in translation |
| ira accensus Phrase | still in translation |
| ira incensus Phrase | still in translation |
| iracunditer Adverb | angrily, irately, irritably, passionately, in a q… |