une frite, des frites
In English, fries have no gender. English is not a gendered language.
The word "croustilles" as written in the question is in its plural form. In its single form croustille would be feminine , so "la croustille".
'une frite' is a feminine noun.
Feminine: la frite, une frite.
Feminine
directeur → masculine directrice→ feminine
It is feminine.
Une moto (a motorcycle) is a feminine noun in French.
it is feminine
Feminine
masculine
feminine
masculine
Feminine
balle is feminine in french / ballon is masculine
In French the country Mali is masculine.
It's masculine. Beef in French is le boeuf.
directeur → masculine directrice→ feminine
feminine
Feminine
It is feminine.