crease vs rumple

crease is a noun but rumple is not a noun.

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

As verbs, crease and rumple are synonyms defined as:

Other synonyms of crease include crinkle, crumple, wrinkle.

As verbs, rumple is a hyponym of crease; that is, rumple 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
rumple: to gather something into small wrinkles or folds

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

crease (noun)	rumple (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)	rumple (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	disturb the smoothness of
make wrinkled or creased	to gather something into small wrinkles or folds
scrape gently