### Clue: Cheats double-crossing king (3-6)
### Answer: TWO-TIMERS 
 ### Explanation: Definition: Cheats
  TWO TIMES(twice,double) **containing**(crossing) R(­$$R$$ex,Latin for king)
Defn:  Noun for two-timers and double-crossers (the latter being misdirectingly close to the wordplay)