nubbiness vs raggedness

nubbiness and raggedness both are nouns.

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

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

nubbiness: looseness or roughness in texture (as of cloth)
raggedness: a texture of a surface or edge that is not smooth but is irregular and uneven

Other hypernyms of nubbiness include roughness.

nubbiness (noun)	raggedness (noun)
looseness or roughness in texture (as of cloth)	shabbiness by virtue of being in rags
	a texture of a surface or edge that is not smooth but is irregular and uneven