harshness vs huskiness

harshness and huskiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
harshness	Yes	No	No	No
huskiness	Yes	No	No	No

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

Other hyponyms of harshness include gruffness, hoarseness.

harshness (noun)	huskiness (noun)
the quality of being harsh or rough or grating to the senses	the property of being big and strong
excessive sternness	a throaty harshness
the roughness of a substance that causes abrasions
the quality of being cruel and causing tension or annoyance