"riz" is masculine
it is called la balle - feminine.
friendship is 'amitié' (fem.) in French
an oyster is 'une huitre' (fem.) in French.
"une pyramide" (fem.) is French for "a pyramid"
'une jupe' (fem.)
des amandes (fem.)
Blue = bleu (masc.) bleue (fem.) White = blanc (masc.) blanche (fem.) Red = rouge (masc. and fem.)
une auto (fem.) or 'une voiture' (fem.)
hirondelle (fem.) or tourterelle (fem.)
"Germany" in French is "Allemagne" (fem).
Enterprise is "entreprise" (fem.) in French.
A frog is called 'une grenouille' (fem.) in French.