Masculine nouns are words for men and boys, and male animals.
Feminine nouns are words for women and girls, and female animals.
Here are some more masculine and feminine nouns for people.
Here are some masculine and feminine nouns for male and female animals.
chicken rooster hen
cattle bull cow
deer buck doe
donkey jack jenny
Many nouns are used for both males and females.
Words for things that are neither male nor female are called neuter nouns.
Kaynak: Basic English Grammer Book1