Most French nouns add E for feminine and S for plural. This rule applies to nouns that end in most consonants as well as all vowels except the unaccented E:
Noun: avocat (lawyer)
Masculine singular avocat
Feminine singular avocate
Masculine plural avocats
Feminine plural avocates
Noun: ami (friend)
Masculine singular ami
Feminine singular amie
Masculine plural amis
Feminine plural amies
Noun: invité (guest)
Masculine singular invité
Feminine singular invitée
Masculine plural invités
Feminine plural invitées
When the masculine singular noun ends in an unaccented E, there is no difference between the masculine and feminine forms:
Noun: touriste (tourist)
Masculine singular touriste
Feminine singular touriste
Masculine plural touristes
Feminine plural touristes
When a noun ends in S, X, or Z there is no difference between the singular and plural forms:
Noun: le fils (son)
Masculine singular le fils
Masculine plural les fils
Noun: le gaz (gas)
Masculine singular le gaz
Masculine plural les gaz
While most French nouns fit into one of the above categories, there are still quite a few that have irregular feminine forms and/or irregular plurals.
Notes
- These rules are similar for making adjectives feminine and plural
- The rules for making nouns feminine apply only to people and some animals. They do not apply to objects, which have only one form: masculine or feminine.
- Compound nouns have their own gender and plural rules.




