disloyalty vs treason

disloyalty and treason both are nouns.

Word	Noun	Adjective	Verb	Adverb
disloyalty	Yes	No	No	No
treason	Yes	No	No	No

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

Other hyponyms of disloyalty include disaffection, subversiveness, traitorousness, perfidiousness, perfidy, treachery.

disloyalty (noun)	treason (noun)
the quality of being disloyal	a crime that undermines the offender's government
	an act of deliberate betrayal
	disloyalty by virtue of subversive behavior