encrust

blacken smear smudge sully

begrime blotch blur coat contaminate corrupt debase defile discolor foul grime muddy mung pollute smoke smutch spatter spoil spot stain sweat taint tar tarnish

besoil make dusty make impure mess up

clean cleanse clear flourish grow improve purify sterilize

cover fill stuff

bush face incrust overlay panel quilt reinforce sheath wad wainscot

ceil interline

strip unline

anodize bronze chrome cover electroplate enamel face flake foil gild laminate layer nickel overlay platinize scale silver stratify