Humbug and Two-timer

Humbug noun - An imitation that is passed off as genuine.

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

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

Humbug and two-timer are semantically related in hypocrite topic. Sometimes you can use "Humbug" instead a noun phrase "Two-timer", if it concerns topics such as is deceitful.