cockle vs crumple

cockle is a noun but crumple is not a noun.

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

As verbs, cockle and crumple are synonyms defined as:

Other synonyms of cockle include knit, pucker, rumple.

cockle (noun)	crumple (noun)
common edible, burrowing European bivalve mollusk that has a strong, rounded shell with radiating ribs
common edible European bivalve

cockle (verb)	crumple (verb)
to gather something into small wrinkles or folds	become wrinkled or crumpled or creased
stir up (water) so as to form ripples	to gather something into small wrinkles or folds
	fold or collapse
	fall apart