ruck vs crimp

ruck and crimp both are nouns.

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

As nouns, crimp is a hypernym of ruck; that is, crimp is a word with a broader meaning than ruck:

Other hypernyms of ruck include bend, crease, flexure, fold, plication.

ruck (noun)	crimp (noun)
a crowd especially of ordinary or undistinguished persons or things	a lock of hair that has been artificially waved or curled
an irregular fold in an otherwise even surface (as in cloth)	someone who tricks or coerces men into service as sailors or soldiers
	an angular or rounded shape made by folding

ruck (verb)	crimp (verb)
become wrinkled or drawn together	curl tightly
	make ridges into by pinching together