Crossword clues for the word: WATERMOCCASIN The word WATERMOCCASIN has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for WATERMOCCASIN Showing 1 to 7 of 7 results Clue(s) Cottonmouth Dangerous swamp snake Swamp snake Terror of the bayou. Venomous semiaquatic creature Venomous semiaquatic snake Venomous swamp slitherer