Two-timer and Tattletale

Two-timer noun - Someone who deceives a lover or spouse by carrying on a sexual relationship with somebody else.

Tattletale and two-timer are semantically related. in traitor topic. In some cases you can use "Tattletale" instead a noun phrase "Two-timer", when it comes to topics like person who is disloyal.

Tattletale noun - A person who provides information about another's wrongdoing.

Two-timer and tattletale are semantically related. Sometimes you can use "Two-timer" instead a noun "Tattletale".