BUNCO is a playable word

bunco Scrabble® Dictionary

verb
buncoed, buncoing, buncos or buncoes
to swindle
13 Playable Words can be made from "BUNCO"
   2-Letter Words (5 found)
   3-Letter Words (6 found)
   4-Letter Words (1 found)
   5-Letter Words (1 found)