sellout vs betrayal

sellout and betrayal both are nouns.

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

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

Other hypernyms of sellout include perfidy, treachery, treason.

sellout (noun)	betrayal (noun)
a betrayal of one's principles principles, country, cause, etc.	an act of deliberate betrayal
the selling of an entire stock of something	the quality of aiding an enemy
an event for which all tickets are sold
someone who has sold out