basic French adjectives:
masc. singular: +nothing
fem. singular: +e
masc. or mixed plural: +s
fem. plural: es
already e ending:
masc. singular: +nothing
fem. singular: +nothing
masc or mixed plural: +s
fem. or mixed plural: +s
eux ending:
masc. singular: +nothing
fem singular: -eux +euse
masc. or mixed plural: eux
fem. plural: -eux +euses