crease vs crumple

crease is a noun but crumple is not a noun.

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

As verbs, crease and crumple are synonyms defined as:

Other synonyms of crease include crinkle, rumple, wrinkle.

As verbs, crumple is a hyponym of crease; that is, crumple is a word with a more specific, narrower meaning than crease:

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

Other hyponyms of crease include cockle, knit, pucker, rumple, pucker, ruck, ruck up.

crease (noun)	crumple (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

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