Sarrau? Never heard this word! This is the important to know, the rule that every French little boy or little girl learn at school: bijoux, cailloux, choux, genoux, hiboux, joujoux, poux That's the list of the 7 nouns to know that have an irregular ou-plural. They have an "x" instead of the regular "s". bijou = jewel, caillou = stone, chou = cabbage. genou = knee. hibou = owl. joujou = little toy. pou = louse.

un nez

des enfants

Very detailed - a lot to learn!

nom propre

the is when [s] or [es] are added to give the plural noun of any word