hairiness vs woolliness

hairiness and woolliness both are nouns.

Word	Noun	Adjective	Verb	Adverb
hairiness	Yes	No	No	No
woolliness	Yes	No	No	No

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

Other hyponyms of hairiness include hirsuteness, hirsutism, beardedness.

hairiness (noun)	woolliness (noun)
the quality of having hair	The state of resembling wool, in texture or shape.
	The state of being made of or bearing wool.