| Masculine | Neuter | |
|---|---|---|
| Nom. | -us/er | -um |
| Gen. | -i | -i |
| Dat. | -o | -o |
| Acc. | -um | -um |
| Abl. | -o | -o |
| Voc. | -e/er | -um |
| Nom. | -i | -a |
| Gen. | -orum | -orum |
| Dat. | -is | -is |
| Acc. | -os | -a |
| Abl. | -is | -is |
| Voc. | -i | -a |
| Singular | Masculine | |
|---|---|---|
| Nom. | vir | viri |
| Gen. | viri | virōrum |
| Dat. | viro | viris |
| Acc. | virum | viros |
| Abl. | viro | viris |
| Voc. | vir | viri |
| Term | Definition | Derivatives |
|---|---|---|
| ager, agri, m. | field, farm | agriculture |
| amicus, amici, m. | friend | amicable, mon ami |
| filius, filiī, m. | son | mon fils |
| numerus, numeri, m. | number | numeral |
| populus, populi, m. | the people, a nation | population |
| puer, pueri, m. | boy | - |
| vir, virī, m. | man, hero | virtue |
| basium, basiī, n. | kiss | basiate |
| bellum, belli, n. | war | rebel, rebellion |
| donum, doni, n. | gift, present | donation, donate |
| exitium, exitiī, n. | destruction, ruin | exit |
| magister, magistri, m. | schoolmaster, teacher | maestro |
| oculus, oculi, m. | eye | ocular, binoculars |
| officium, officiī, n. | duty, service | office, officer, official |
| otium, otiī, n. | peace, leisure | negotiate |
| periculum, periculi, n. | danger, risk | peril |
| remedium, remediī, n. | cure, remedy | remedial |
| animus, animi, m. | soul, spirit, mind | unanimous, animosity |
| animi, animorum, m. pl. | high spirits, pride, courage | unanimous, animosity |
| caelum, caeli, n. | sky, heaven | ceiling, celestial |
| verbum, verbi, n. | word | verb, adverb, verbal |
| deus, ī, m. voc. sg. - deus nom. pl. - dī dat. and abl. pl. - dīs |
god | deity |
| discipulus, discipulī, m. | learner, pupil, student | disciple, discipline |
| liber, librī, m. | book | library, librarian, un libre |
| tyrannus, tyranni, m. | absolute ruler, tyrant | Tyrannosaurus Rex |
| vitium, vitiī, n. | fault, vice, crime | vicious, vitiate |
| locus, locī, m. | place; passage in literature | allocate |
| loca, locorum, n. | place, region | allocate |
| locī, locorum, m. | passages in literature | allocate |
| morbus, morbī, m. | disease, sickness | morbid, Morbius |
| studium, studiī, n. | eagerness, zeal, pursuit, study | studio, student |
| stultus, stulti, m. | a fool | stultify, stultification |
| Graecus, Graeci, m. | a Greek | - |
| annus, annī, m. | year | annals, anniversary, annuity, annual, biennial, perennial, centennial, millennium, superannuated |
| medicus, medicī, m. | doctor, physician | medic, medical, medicate, medicine, medicinal |
| principium, principiī, n. | beginning | principal, principle |
| factum, factī, n. | deed, act, achievement | fact, factual, faction, feat |
| signum, signī, n. | sign, signal, indication; seal | assign, consign, countersign, design, ensign, insignia, iresign, seal, signet |
| libellus, libellī, m. | little book | libel, libelous |
| lūdus, lūdī, m. | game, sport; school | ludicrous, delude, elude, elusive, allude, allusion, illusion, collusion, interlude, prelude, postlude |
| argūmentum, argūmentī, n. | proof, evidence, argument | argumentation, argumentative |
| beneficium, beneficiī, n. | benefit, kindness; favour | beneficence, beneficial, beneficiary |
| iūdicium, iūdiciī, n. | judgment, decision, opinion; trial | adjudge, adjudicate, judicial, judicious, injudicious, misjudge, prejudge, prejudice |
| mundus, mundī, m. | world, universe | mundane, extramundane, demimonde |
| vīcīnus, vīcīnī, m. | neighbour | vicinity, vicinal, vicinage |
| vulgus, vulgī, n. (sometimes m.) | the common people, mob, rabble | vulgar, vulgarity, vulagrize, vulgate, divulge |
| ferrum, ferrī, n. | iron; sword | ferric, ferrite, ferro-; Fe, the chemical symbol for iron |
| modus, modī, m. | measure, bound, limit; manner, method, mode, way | model, moderate, modern, modest, |