fold vs accordion fold

fold and accordion fold both are nouns.

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

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

fold: an angular or rounded shape made by folding
accordion fold: a continuous parallel folding in an accordion-like fashion, that is with folds alternatively made to the front and back in zig-zag folds.

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

fold (noun)	accordion fold (noun)
the act of folding	a continuous parallel folding in an accordion-like fashion, that is with folds alternatively made to the front and back in zig-zag folds.
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

fold (verb)	accordion 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