betrayal vs treason

betrayal and treason both are nouns.

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

As nouns, betrayal and treason are synonyms defined as:

Other synonyms of betrayal include perfidy, treachery.

As nouns, treason is a hypernym of betrayal; that is, treason is a word with a broader meaning than betrayal:

Other hypernyms of betrayal include subversiveness, traitorousness.

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