crump vs scrunch

crump is not a noun while scrunch is a noun.

Word	Noun	Adjective	Verb	Adverb
crump	No	No	Yes	No
scrunch	Yes	No	Yes	No

As verbs, crump and scrunch are synonyms defined as:

Other synonyms of crump include thud.

crump (noun)	scrunch (noun)
	a crunching noise

crump (verb)	scrunch (verb)
explode heavily or with a loud dull noise	make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic
bombard with heavy shells	sit on one's heels
make a noise typical of an engine lacking lubricants	make a noise typical of an engine lacking lubricants