shagginess vs raggedness

shagginess and raggedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
shagginess	Yes	No	No	No
raggedness	Yes	No	No	No

As nouns, raggedness is a hypernym of shagginess; that is, raggedness is a word with a broader meaning than shagginess:

shagginess: roughness of nap produced by long woolly hairs
raggedness: a texture of a surface or edge that is not smooth but is irregular and uneven

Other hypernyms of shagginess include roughness.

shagginess (noun)	raggedness (noun)
roughness of nap produced by long woolly hairs	shabbiness by virtue of being in rags
unkemptness of hair	a texture of a surface or edge that is not smooth but is irregular and uneven