Fourth/Fifth Declension Nouns

Arcus, -us, m.

Arch

casus, -us, m

Chance

cornu, us, n

Horn

conspectus, -us, m.

Sight

Cursus, -us, m

Running course, track

domus, -us, f

House

exercitus, us, m.

army

exitus, -us, m,

outcome, departure

fructus, -us, m.

Fruit

genu, us, n

Knee

impetus, -us, m

attack

latratus, -us, m

barking

manu, -us, f

Hand

risus, -us, m

laughter, smile

sonitus, -us, m

sound

tumultus, -us, m

trouble, commotion

usus, -us, m

use, advantage

portus, -us, m

port

acies, -ei, f.

The line of battle

dies, -ei, f.

day

fides, -ei, f.

Faith, loyal

glacies, -ei, f.

ice

pernicies, -ei, f

utter ruin

planities, ei, f

Plain

progenies, ei, f

offspring

res, -ei, f.

things

series, -ei, f.

series

spes, ei, f.

hope

species, -ei, f.

Appearance

meridies, ei, m

mid-day

dies, -ei, m

day (masc)