ruck vs pucker

ruck and pucker both are nouns.

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

As nouns, ruck and pucker are synonyms defined as:

ruck and pucker: an irregular fold in an otherwise even surface (as in cloth)

As verbs, ruck and pucker are synonyms defined as:

Other synonyms of ruck include ruck up.

ruck (noun)	pucker (noun)
a crowd especially of ordinary or undistinguished persons or things	an irregular fold in an otherwise even surface (as in cloth)
an irregular fold in an otherwise even surface (as in cloth)

ruck (verb)	pucker (verb)
become wrinkled or drawn together	to gather something into small wrinkles or folds
	draw together into folds or puckers
	become wrinkled or drawn together