Castalan

Nouns
All nouns in the Castalan language are either masculine or feminine. All nouns that ends in -o are masculine and all nouns that ends in -''a. If a nouns ends in -i, -e, -u, -cion, tion'' or -sion are either masculine or feminine, depending on the articles.

Example: boy - chico; girl - chica; cat - gato; calculator - calculatora

The Definite and Indefinite Articles
All masculine and feminine nouns has their own definite and indefininte articles: el/ la/ un/ una.

If a noun is masculine, you will use the masculine defininte article el and un.

Example: the boy - el chico; the cat - el gato; the dog - el perre

a boy - un chico; a cat - un gato; a dog -  un perre

If a noun is feminine, you will use the feminine defininte and indefininte articles la and una. Example: the girl - la chica; the woman - la homeja; the teacher (female) - la profesora

a girl - una chica; a woman - una homeja; a teacher (feminine) - una profesora

Plural Nouns
All plural nouns in the Castalan language either ends in -s or -es.

Example: country - naciones; boy - chicos; direction - direcciones

When nouns are plural,  the definite and indefininte articles becomes plural: los/ las/ unos/ unas.

Example: the countries - los naciones; the boys - los chico; the directions - los direcciones

Just like ordinary nouns, plural nouns are still masculine or feminine. If a plural noun is masculine, you will use the pluralize version of el - ''los. ''