actuality vs trueness

actuality and trueness both are nouns.

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

As nouns, trueness is a hyponym of actuality; that is, trueness is a word with a more specific, narrower meaning than actuality:

Other hyponyms of actuality include entelechy, genuineness, realism, reality, realness, reality, the true, truth, verity.

actuality (noun)	trueness (noun)
the state of actually existing objectively	exactness of adjustment
	the quality of being loyal
	conformity to reality or actuality