| bent(adjective, unconscionable, amoral) |
| bigamous(fickle, untrustworthy, unprincipled) |
| blind(deception, dishonesty, treachery) |
| boiler room(expression, cheat, ripoff, treachery) |
| boondoggle(cheat, ripoff, treachery) |
| bunco game(expression, cheat, ripoff, treachery) |
| bunk(cheat, ripoff, treachery) |
| bunko(cheat, ripoff, treachery) |
| business(cheat, ripoff, treachery) |
| cageyness(cunning, craftiness, wiles) |
| canniness(cunning, craftiness, wiles) |
| changeful(fickle, untrustworthy, unprincipled, dirty-dealing) |
| cheat(deception, ripoff, dishonesty, treachery, dissimulation) |
| clandestine(adjective, dishonest, deceitful, underhanded) |
| cleverness(noun, treachery, cunning, trickery, craftiness) |
| collusion(cheat, ripoff, treachery) |
| committing perjury(expression, fickle, untrustworthy, unprincipled, dirty-dealing) |
| con game(expression, cheat, ripoff, treachery) |
| con job(expression, cheat, ripoff, treachery) |
| concealed(adjective, dishonest, deceitful, underhanded) |