Nouns

(n)moussea rich, frothy, creamy dessert made with whipped egg whites and heavy cream
(n)moussea light creamy dish made from fish or meat and set with gelatin
(n)mousse, hair moussetoiletry consisting of an aerosol foam used in hair styling

Verbs

(v)mousse, gelapply a styling gel to“she mousses her hair”