gracelessness vs inelegance

gracelessness and inelegance both are nouns.

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

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

gracelessness: the inelegance of someone stiff and unrelaxed (as by embarrassment)
inelegance: the quality of lacking refinement and good taste

gracelessness (noun)	inelegance (noun)
an unpleasant lack of grace in carriage or form or movement or expression	the quality of lacking refinement and good taste
the inelegance of someone stiff and unrelaxed (as by embarrassment)