Crossword clues for the word: RUTHWARE The word RUTHWARE has appeared as an answer to at least 1 crossword clue on different crossword puzzles. Crossword clues for RUTHWARE Showing 1 to 1 of 1 results Clue(s) British novelist who wrote the bestsellers "The Turn of the Key," 15-Across, and 29-Across (2 wds.)