Crossword clues for the word: TREACHERY The word TREACHERY has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for TREACHERY Showing 1 to 8 of 8 results Clue(s) Back-stabbing Child investigator held by Tory fringe for betrayal Go over every monarch's disloyalty Perfidious business. Professor Henry finally grasps Republican betrayal (9) SPECTRE specialty Traitor's act Wilful betrayal