| weasel(noun, source, grass, sneak, decoy) |
| accuser(source, sneak, rat, informant, squealer) |
| adviser(source, sneak, informant, squealer) |
| announcer(source, sneak, rat, informant, squealer) |
| back-stabber(spy, impostor, renegade, turncoat, hypocrite) |
| backslider(rebel, spy, impostor, renegade, traitor) |
| backstabber(informer, rascal, rat, scoundrel, swine) |
| blabbermouth(source, grass, sneak, decoy, informer) |
| bluff(crook, rascal, rogue, trickster, cheater) |
| canary(source, grass, sneak, decoy, informer) |
| charlatan(crook, rascal, rogue, trickster, cheater) |
| cheat(noun, person, trickster, cheater, double-dealer) |
| chiseler(crook, rascal, rogue, trickster, cheater) |
| cockatrice |
| con artist(expression, crook, rascal, rogue, trickster) |
| confidence operator(expression, crook, rascal, rogue, trickster) |
| cozener(crook, rascal, rogue, trickster, cheater) |
| crier(source, sneak, rat, informant, squealer) |
| crook(rascal, rogue, trickster, cheater, double-dealer) |
| decoy(crook, grass, informer, rascal, rogue) |