awkwardness vs inelegance

awkwardness and inelegance both are nouns.

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

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

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

awkwardness (noun)	inelegance (noun)
the carriage of someone whose movements and posture are ungainly or inelegant	the quality of lacking refinement and good taste
the quality of an embarrassing situation
trouble in carrying or managing caused by bulk or shape
the inelegance of someone stiff and unrelaxed (as by embarrassment)
unskillfulness resulting from a lack of training