crumple vs crumble

crumple and crumble both are verbs.

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

As verbs, crumple and crumble are synonyms defined as:

Other synonyms of crumple include break down, collapse, tumble.

crumple (verb)	crumble (verb)
become wrinkled or crumpled or creased	break or fall apart into fragments
to gather something into small wrinkles or folds	fall into decay or ruin
fold or collapse	fall apart
fall apart