No S         Gen S         Gender         Meaning

Avis             avis                 f                 bird

Piscis             piscis             m                 fish

Canis             canis             m/f                dog

Ovis                ovis             f                   sheep

Panis               panis           m                  bread

 hostis            hostis         m                   enemy

civis                 civis            m                  citizen

navis                navis            f                     ship

aer                   aeris             m                     air

mercator         mercatoris     m                 merchant

pastor             pastoris         m                 shepherd

arbor               arboris         f                       tree

 soror             sororis         f                      sister

uxor                 uxoris           f                       wife

amor                amoris          m                      love

labor                 laboris          m                     labor, work

pater                 patris            m                     father

mater                matris            f                       mother

frater                  fratris           m                      brother

leo                      leonis            m                       lion

homo                 hominis           m                       man

pulmo                 pulmonis         m                       lung

pes                     pedis               m                         foot

flumen                 fluminis             n                         river

mare                   maris                 n                         sea

animal                 animalis             n                         animal

mons                   montis              m                         mountain

nubes                   nubis                f                          cloud

sol                       solis                 m                           sun

dens                     dentis              m                           tooth

 rex                     regis                m                          king

lex                         legis                 f                             law

dux                       ducis               m                             leader

pax                        pacis                f                             peace

miles                      militis               m                            soldier

virtus                      virtutis              f                             virtue, courage

corpus                    corporis           n                             body

caput                       capitis              n                             head

os                             oris                 n                             mouth