| Word | Meaning | Occurrences |
|---|---|---|
| ineo | to go into, enter | 72 |
| ineptus | absurd, awkward | 2 |
| inermis | unarmed | 1 |
| inertia | lack of skill, idleness | 1 |
| ineruditio | want of learning | 1 |
| inexcusabilis | inexcusable | 4 |
| inexorabilis | not to be moved by entreaty | 1 |
| inexpugnabilis | impregnable | 3 |
| inexstinguibilis | unquenchable | 9 |
| inexterminabilis | imperishable | 1 |
| infamia | ill fame, ill report | 2 |
| infamis | disreputable, infamous | 2 |
| infandus | unspeakable, unutterable | 1 |
| infans | infant, child | 55 |
| infantia | inability to speak, infancy | 15 |
| infantulus | little child, baby | 7 |
| infatuo | to make a fool of, infatuate | 2 |
| infecundus | unfruitful | 2 |
| infelicitas | misfortune, unhappiness | 5 |
| infelix | unhappy, unfortunate | 9 |
| infensus | hostile, angry | 4 |
| infernus | lower, infernal | 81 |
| infero | to bring in, bring upon | 108 |
| inferus | lower, below | 72 |
| inficio | to stain, to infect | 5 |
| inficior | to deny | 1 |
| infidelis | faithless, unbelieving | 46 |
| infidelitas | unfaithfulness, faithlessness | 1 |
| infideliter | faithlessly, perfidiously | 1 |
| infigo | to drive in, stick | 9 |
| infinitas | boundlessness, endlessness | 1 |
| infinitus | infinite, boundless | 17 |
| infirmitas | weakness, sickness | 96 |
| infirmiter | weakly, not firmly | 1 |
| infirmo | to weaken | 58 |
| infirmus | weak, sick | 108 |
| inflammatio | kindling, firing | 1 |
| inflammo | to set on fire, inflame | 11 |
| inflatio | puffing up, pride | 2 |
| infligo | to strike against | 1 |
| inflo | to inflate, puff up | 16 |
| influo | to flow in, run in | 2 |
| infodio | to bury | 1 |
| informatio | representation, idea | 2 |
| informis | without form, unformed | 1 |
| infra | below | 4 |
| infremo | to make a noise, growl | 3 |
| infreno | to bridle | 1 |
| infringo | to break off, break | 3 |
| infructuosus | fruitless, unprofitable | 7 |
| infrunitus | tasteless, senseless | 2 |
| infundo | to pour in, pour upon | 12 |
| infusorium | reservoir for a lamp | 1 |
| ingemisco | to groan, sigh | 27 |
| ingeniosus | clever, ingenious | 1 |
| ingenitus | inborn, inbred | 1 |
| ingenium | innate quality, disposition | 2 |
| ingens | great, huge | 18 |
| ingero | to carry in, rush | 1 |
| inglorius | inglorious | 2 |
| ingratus | disagreeable | 7 |
| ingravesco | to grow heavy, be aggravated | 1 |
| ingravo | to weigh down, oppress | 7 |
| ingredior | to go into, go forward | 607 |
| ingressus | entry, entrance | 16 |
| ingruo | to fall violently upon | 3 |
| inguen | groin, abdomen | 3 |
| inhabitabilis | uninhabitable | 8 |
| inhabitatio | inhabitation | 1 |
| inhabitator | dweller, inhabitant | 2 |
| inhabito | to dwell in, inhabit | 63 |
| inhibeo | to hold in, hold back | 1 |
| inhio | to stand open, gape | 1 |
| inhoneste | dishonorably | 2 |
| inhonestus | dishonorably | 3 |
| inhonoratio | dishonoring | 1 |
| inhonoro | to dishonor | 6 |
| inhorreo | to stand erect, bristle | 1 |
| inhospitalitas | inhospitality | 1 |
| inimica | enemy | 6 |