fold vs plait

fold and plait both are nouns.

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

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

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

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

fold (noun)	plait (noun)
the act of folding	any of various types of fold formed by doubling fabric back upon itself and then pressing or stitching into shape
a pen for sheep	a hairdo formed by braiding or twisting the hair
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

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