crease vs twirl

crease and twirl both are nouns.

Word	Noun	Adjective	Verb	Adverb
crease	Yes	No	Yes	No
twirl	Yes	No	Yes	No

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

crease: an angular or rounded shape made by folding
twirl: a sharp bend in a line produced when a line having a loop is pulled tight

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

crease (noun)	twirl (noun)
a Malayan dagger with a wavy blade	the act of rotating rapidly
a slight depression or fold in the smoothness of a surface	a sharp bend in a line produced when a line having a loop is pulled tight
an angular or rounded shape made by folding

crease (verb)	twirl (verb)
become wrinkled or crumpled or creased	turn in a twisting or spinning motion
make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic	cause to spin
make wrinkled or creased
scrape gently