crimp vs pleat

crimp and pleat both are nouns.

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

As nouns, pleat is a hyponym of crimp; that is, pleat is a word with a more specific, narrower meaning than crimp:

crimp: an angular or rounded shape made by folding
pleat: any of various types of fold formed by doubling fabric back upon itself and then pressing or stitching into shape

Other hyponyms of crimp include plait, kink, twirl, twist, pucker, ruck, accordion fold, concertina fold, z-fold, zig-zag fold.

crimp (noun)	pleat (noun)
a lock of hair that has been artificially waved or curled	any of various types of fold formed by doubling fabric back upon itself and then pressing or stitching into shape
someone who tricks or coerces men into service as sailors or soldiers
an angular or rounded shape made by folding

crimp (verb)	pleat (verb)
curl tightly	pleat or gather into a ruffle
make ridges into by pinching together	fold into pleats