waviness vs curvature

waviness and curvature both are nouns.

Word	Noun	Adjective	Verb	Adverb
waviness	Yes	No	No	No
curvature	Yes	No	No	No

As nouns, curvature is a hypernym of waviness; that is, curvature is a word with a broader meaning than waviness:

Other hypernyms of waviness include curve.

waviness (noun)	curvature (noun)
(of hair) a tendency to curl	the rate of change (at a point) of the angle between a curve and a tangent to the curve
unevenness produced by waves or wrinkles	the property possessed by the curving of a line or surface
	(medicine) a curving or bending; often abnormal