arma (nom. pl.)

armorum (gen. pl.)

Always plural

Neuter

auxilium (nom. sing.)

auxilí (gen. sing.)drop extra "i"

*notice stem is auxili

Neuter

bellum (nom. sing.)

bellí (gen. sing.)

Neuter

loca (nom. pl.)

locorum (gen. pl.)

Neuter in the plural

officium (nom. sing.)

officí (gen. sing.)drop extra "i"

*notice stem is offici

Neuter

oppidum (nom. sing.)

oppidí (gen. sing.)

Neuter

pretium (nom. sing.)

pretí (gen. sing.)drop extra "i"

*notice stem is preti

Neuter

templum (nom. sing.)

templí (gen. sing.)

Neuter

causa (nom. sing.)

causae (gen. sing.)

Feminine

concordia (nom. sing.)

concordiae (gen. sing.)

Feminine

dominus (nom. sing.)

dominí (gen. sing.)

Masculine

locus (nom. sing.)

locí (gen. sing.)

Masculine in the singular

nuntius (nom. sing.)

nuntí (gen. sing.)drop extra "i"

*Notice stem is nunti

Masculine

populus (nom. sing.)

populí (gen. sing.)

Masculine

terminus (nom. sing.)

terminí (gen. sing.)

Masculine