fold vs crimp

fold and crimp both are nouns.

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

As nouns, fold and crimp are synonyms defined as:

Other synonyms of fold include bend, crease, flexure, plication.

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

fold (noun)	crimp (noun)
the act of folding	a lock of hair that has been artificially waved or curled
a pen for sheep	someone who tricks or coerces men into service as sailors or soldiers
a folded part (as in skin or muscle)	an angular or rounded shape made by folding
a group of people who adhere to a common faith and habitually attend a given church
a group of sheep or goats
a geological process that causes a bend in a stratum of rock
an angular or rounded shape made by folding

fold (verb)	crimp (verb)
incorporate a food ingredient into a mixture by repeatedly turning it over without stirring or beating	curl tightly
become folded or folded up	make ridges into by pinching together
bend or lay so that one part covers the other
confine in a fold, like sheep
cease to operate or cause to cease operating