crumple vs rumple

crumple and rumple both are verbs.

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

As verbs, crumple and rumple are synonyms defined as:

Other synonyms of crumple include crease, crinkle, wrinkle.

As verbs, crumple and rumple are synonyms defined as:

Other synonyms of crumple include cockle, knit, pucker.

crumple (verb)	rumple (verb)
become wrinkled or crumpled or creased	become wrinkled or crumpled or creased
to gather something into small wrinkles or folds	disturb the smoothness of
fold or collapse	to gather something into small wrinkles or folds
fall apart