Spy and Two-timer

Spy noun - A person who tries secretly to obtain information for one country in the territory of another usually unfriendly country.

Two-timer and spy are semantically related In some cases you can use "Two-timer" instead a noun "Spy".

Nearby Word: spying

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

Spy and two-timer are semantically related in traitor topic. Sometimes you can use "Spy" instead a noun phrase "Two-timer", if it concerns topics such as person who is disloyal.