double cross vs betrayal

double cross and betrayal both are nouns.

Word	Noun	Adjective	Verb	Adverb
double cross	Yes	No	Yes	No
betrayal	Yes	No	No	No

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

Other hypernyms of double cross include perfidy, treachery, treason.

double cross (noun)	betrayal (noun)
an act of betrayal	an act of deliberate betrayal
	the quality of aiding an enemy

double cross (verb)	betrayal (verb)
betray by double-dealing