plication vs fold

plication and fold both are nouns.

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

As nouns, fold is a hypernym of plication; that is, fold is a word with a broader meaning than plication:

Other hypernyms of plication include folding.

As nouns, plication and fold are synonyms defined as:

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

plication (noun)	fold (noun)
the act of folding in parallel folds	the act of folding
an angular or rounded shape made by folding	a pen for sheep
	a folded part (as in skin or muscle)
	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

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