fealty vs trueness

fealty and trueness both are nouns.

Word	Noun	Adjective	Verb	Adverb
fealty	Yes	No	No	No
trueness	Yes	No	No	No

As nouns, trueness is a hypernym of fealty; that is, trueness is a word with a broader meaning than fealty:

fealty: the loyalty that citizens owe to their country (or subjects to their sovereign)
trueness: the quality of being loyal

Other hypernyms of fealty include loyalty.

fealty (noun)	trueness (noun)
the loyalty that citizens owe to their country (or subjects to their sovereign)	exactness of adjustment
	the quality of being loyal
	conformity to reality or actuality