fidelity vs truth

fidelity and truth both are nouns.

Word	Noun	Adjective	Verb	Adverb
fidelity	Yes	No	No	No
truth	Yes	No	No	No

As nouns, truth is a hypernym of fidelity; that is, truth is a word with a broader meaning than fidelity:

fidelity: accuracy with which an electronic system reproduces the sound or image of its input signal
truth: the quality of being near to the true value

Other hypernyms of fidelity include accuracy.

fidelity (noun)	truth (noun)
the quality of being faithful	the quality of being near to the true value
accuracy with which an electronic system reproduces the sound or image of its input signal	a fact that has been verified
	a true statement
	conformity to reality or actuality