pucker vs cockle

pucker and cockle both are nouns.

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

As verbs, pucker and cockle are synonyms defined as:

Other synonyms of pucker include crumple, knit, rumple.

pucker (noun)	cockle (noun)
an irregular fold in an otherwise even surface (as in cloth)	common edible, burrowing European bivalve mollusk that has a strong, rounded shell with radiating ribs
	common edible European bivalve

pucker (verb)	cockle (verb)
to gather something into small wrinkles or folds	to gather something into small wrinkles or folds
draw together into folds or puckers	stir up (water) so as to form ripples
become wrinkled or drawn together