unevenness vs waviness

unevenness and waviness both are nouns.

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

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

Other hyponyms of unevenness include rockiness, ruggedness, jaggedness, patchiness.

unevenness (noun)	waviness (noun)
the quality of being uneven and lacking uniformity	(of hair) a tendency to curl
the quality of being unbalanced	unevenness produced by waves or wrinkles