Dirty trick and Scam

Dirty trick noun - An unkind or aggressive trick.

Scam and dirty trick are semantically related. in trick topic. In some cases you can use "Scam" instead a noun phrase "Dirty trick", when it comes to topics like cheat, treachery, disloyalty.

Scam noun - An instance of the use of dishonest methods to acquire something of value.

Dirty trick and scam are semantically related. Sometimes you can use "Dirty trick" instead a noun "Scam".