NOUN
Nouns are substantive or adjective, and havenumber,gender, andcase.
NUMBER
Singular and Plural.—Nouns terminating in a short, or unaccented vowel, add ansfor the plural; as, boy,muchacho; boys,muchachos. Nouns ending in an accented vowel, or in a consonant, or iny, addesto the singular; as, ruby,rubí; rubies,rubíes; lion,leon; lions,leones; ox,buey; oxen,bueyes. Nouns terminating inz, change it intocto form the plural; as, cross,cruz; crosses,cruces.