crumble vs crumple

crumble and crumple both are verbs.

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

As verbs, crumble and crumple are synonyms defined as:

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

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