| Vocable | Translation |
| in re publica versari Phrase | still in translation |
| inproportionaliter Adverb | not proportionally, out of proportion |
| inquantum Adverb | in as much (JFW - widespread medieval) |
| inridicule Adverb | without wit, unwittingly, unamusingly |
| insaniter Adverb | madly, insanely, wildly, extravagantly |
| insanum Adverb | immensely, enormously, exceedingly |
| insedabiliter Adverb | incessantly |
| insemel Adverb | at once |
| insidias parare Phrase | still in translation |
| insimul Adverb | together, in company, at the same time (L+S), at … |
| insolabiliter Adverb | inconsolably |
| insquequo Adverb | until |
| instar +gen Phrase | like |
| institiae Other | still in translation |
| insuper Adverb | above, on top, in addition (to), over |
| intantum Adverb | in so much (JFW - widespread medieval) |
| inter (+ acc.) Preposition | between, among, amid |
| inter cenam Phrase | still in translation |
| interdie Adverb | in the daytime, by day |
| interdiu Adverb | in the daytime, by day |
| interdius Adverb | in the daytime, by day |
| interdum Adverb | sometimes, now and then |
| interea Adverb | meanwhile, in between |
| interea Adv. Phrase | still in translation |
| interea Adv. Phrase | still in translation |
| interesse Other | be between, am between, differ, be apart |
| interest Other | important, interesting, differ, is between |
| interest inter Phrase | still in translation |
| interibi Adverb | meanwhile, in the meantime |
| intericio Verb | still in translation |