Third Declension Nouns

List of third declension nouns and how to decline them.

Gender Endings

♚ Masculine
Include a large group of AGENT NOUNS.
  • -or, -ōris (amor, -moris; labor, -oris; victor, -oris; scriptor, -oris)
♛ Feminine
Include a large group of ABSTRACT NOUNS, for abstract concepts.
  • -tās, -tātis (veritas, -tatis; libertas, -tatis)
  • -tūs, -tūtis (virtus, -tutis; senectus, -tutis)
  • -tūdō, -tūdinis (multitudo, -tudinis; pulchritudo, -tudinis)
  • -tiō, -isōnis (natio, tionis; oratio, -tionis)
♜ Neuter
  • -us (genus, generis; corpus, corporis; tempus, teporis)
  • -e, -al, -ar (mare, maris; animal, -malis; exemplar, -plaris)
  • -men (carmen, -minis; nomen, -minis)

Declension Chart

Masculine/Feminine Neuter
Nom. - -
Gen. -is -is
Dat.
Acc. -em -
Abl. -e -e
Voc. - -
Nom. -es -a
Gen. -um -um
Dat. -ibus -ibus
Acc. -es -a
Abl. -ibus -ibus
Voc. -es -a

List of Third Declension Nouns

Term Definition Derivatives
amor, amoris, m. love amorous, amour
carmen, carminis, n. song, poem charm
civitas, civitatis, f. state, citizenship city
corpus, corporis, n. body corpse, corporal
homo, hominis, m. human being, man homicide, homo sapiens
labor, laboris, m. labour, work, toil; a work, production laboratory, collaborate
mos, moris, m. habit, custom, manner morals, immoral, immorality, morale
mores, morum, m. pl. habits, morals, character morals, immoral, immorality, morale
nomen, nominis, n. name nominate, nominative, pronoun
pax, pacis, f. peace pacify, pacific
rex, regis, m. king regal, royal
tempus, temporis, n. time; occasion, opportunity tempo, temporary
uxor, uxoris, f. wife uxorial
virgō, virginis, f. maiden, virgin virgin, virginity, Virginia
virtus, virtutis, f. manliness, courage; excellence, character, worth, virtue virtuoso, virtual
Cicerō, Ciceronis, m. Cicero -
frater, fratris, m. brother fraternal, fraternity, fraternize
laus, laudis, f. praise, glory, fame laud, laudable
libertas, libertatis, f. liberty liberty
ratio, rationis, f. reckoning, account; reason, judgment, consideration; system; manner; method ratio, ration, rational, irrational
scriptor, scriptoris, m. writer, author scriptorium, script
soror, sororis, f. sister sorority
cupiditas, cupiditatis, f. desire, longing, passion; cupidity, avarice Cupid
senectus, senectutis, f. old age senescent, senility
timor, timoris, m. fear timid
veritas, veritatis, f. truth verify, verity
voluptas, voluptatis, f. pleasure voluptuous
caput, capitis, n. head; leader; beginning; life; heading; chapter capital, captain, chief, cattle
consul, consulis, m. consul consulate, consular
adulescēns, adulescēntis, m. and f. young man or woman adolescent, adolescence, adult
Caesar, Caesaris, m. Caesar Caesarian, Caesarism, kaiser, czar, tsar
mater, matris, f. mother maternal, maternity, matriarchy, matrimony, matricide, matriculate, matrilineal, matrix, matron
pater, patris, m. father paternal, paternity, patrician, patrimony, patron, patronage, patronize, patter, padre, pere
iūs, iūris, n. right, justice, law jurisdiction, jurisprudence, juridical, jurist, juror, jury, just, justice, injury
ōs, ōris, n. mouth, face oral, orifice, orator
tempestās, tempestātis, f. period of time; season; weather, storm tempest, tempestuous
audītor, audītōris, m. hearer, listener, member of an audience auditor, auditory, auditorium
mēns, mentis, f. mind, thought, intention mental, mentality, mention, demented
flūmen, flūminis, n. river flume, fluminous
genus, generis, n. origin; kind, type, sort, class genus, generic, genitive, gender, general, generous, genuine, degenerate, genre, congenial
probitās, probitātis, f. uprightness, honesty probity, probation
auctor, auctōris, m. increaser; author, originator authority, authorize
iūdex, iūdicis, m. judge, juror judge, judgment
scelus, sceleris, n. evil deed, crime, sin, wickedness -
gens, gentis, f. clan, race, nation, people gentile, gentle, genteel, gentry
salūs, salūtis, f. health, safety; greeting salubrious, salutary, salutation, salute, salutatorian, salutatory