two-timer vs traitor

two-timer and traitor both are nouns.

Word	Noun	Adjective	Verb	Adverb
two-timer	Yes	No	No	No
traitor	Yes	No	No	No

As nouns, two-timer and traitor are synonyms defined as:

Other synonyms of two-timer include betrayer, double-crosser, double-dealer.

two-timer (noun)	traitor (noun)
a person who says one thing and does another	someone who betrays his country by committing treason
someone who deceives a lover or spouse by carrying on a sexual relationship with somebody else	a person who says one thing and does another