angularity vs crease

angularity and crease both are nouns.

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

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

Other hyponyms of angularity include forking, furcation, jog, zag, zig, zigzag, bend, crimp, flexure, fold, plication.

angularity (noun)	crease (noun)
the property possessed by a shape that has angles	a Malayan dagger with a wavy blade
a shape having one or more sharp angles	a slight depression or fold in the smoothness of a surface
	an angular or rounded shape made by folding

angularity (verb)	crease (verb)
	become wrinkled or crumpled or creased
	make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic
	make wrinkled or creased
	scrape gently