crumple vs crease

crumple is not a noun while crease is a noun.

Word	Noun	Adjective	Verb	Adverb
crumple	No	No	Yes	No
crease	Yes	No	Yes	No

As verbs, crumple and crease are synonyms defined as:

Other synonyms of crumple include crinkle, rumple, wrinkle.

As verbs, crease is a hypernym of crumple; that is, crease is a word with a broader meaning than crumple:

crumple: to gather something into small wrinkles or folds
crease: make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic

Other hypernyms of crumple include crinkle, crisp, ruckle, scrunch, scrunch up, wrinkle.

crumple (noun)	crease (noun)
	a Malayan dagger with a wavy blade
	a slight depression or fold in the smoothness of a surface
	an angular or rounded shape made by folding

crumple (verb)	crease (verb)
become wrinkled or crumpled or creased	become wrinkled or crumpled or creased
to gather something into small wrinkles or folds	make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic
fold or collapse	make wrinkled or creased
fall apart	scrape gently