seediness vs inelegance

seediness and inelegance both are nouns.

Word	Noun	Adjective	Verb	Adverb
seediness	Yes	No	No	No
inelegance	Yes	No	No	No

As nouns, inelegance is a hypernym of seediness; that is, inelegance is a word with a broader meaning than seediness:

seediness: a lack of elegance as a consequence of wearing threadbare or dirty clothing
inelegance: the quality of lacking refinement and good taste

seediness (noun)	inelegance (noun)
a lack of elegance as a consequence of wearing threadbare or dirty clothing	the quality of lacking refinement and good taste