two-timer vs deceiver

two-timer and deceiver both are nouns.

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

As nouns, deceiver is a hypernym of two-timer; that is, deceiver is a word with a broader meaning than two-timer:

Other hypernyms of two-timer include beguiler, cheat, cheater, slicker, trickster.

As nouns, deceiver is a hypernym of two-timer; that is, deceiver is a word with a broader meaning than two-timer:

two-timer: someone who deceives a lover or spouse by carrying on a sexual relationship with somebody else
deceiver: someone who leads you to believe something that is not true

Other hypernyms of two-timer include beguiler, cheat, cheater, slicker, trickster.

two-timer (noun)	deceiver (noun)
a person who says one thing and does another	someone who leads you to believe something that is not true
someone who deceives a lover or spouse by carrying on a sexual relationship with somebody else