Couvercle
Couvercle digne du chaudron = The lid matches the caldron; They are a precious pair; Arcades ambo.
Couvert
Mettez le couvert = Lay the cloth (for dinner).
Mettez un couvert de plus = Put another knife and fork (for another guest); Lay for one more.
Cracher
C’est son père tout craché (fam.) = He is the very spit (or, less fam., image) of his father.
Il a craché en l’air et ça lui est retombé sur le nez (pop.) = He wished to do harm to another but it recoiled on himself.
Il ne crache pas dessus = He does not despise it; He likes it very much.