sellout vs treason

sellout and treason both are nouns.

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

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

Other hypernyms of sellout include betrayal, perfidy, treachery.

sellout (noun)	treason (noun)
a betrayal of one's principles principles, country, cause, etc.	a crime that undermines the offender's government
the selling of an entire stock of something	an act of deliberate betrayal
an event for which all tickets are sold	disloyalty by virtue of subversive behavior
someone who has sold out