Crossword clues for the word: AVOUCH The word AVOUCH has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for AVOUCH Showing 1 to 5 of 5 results Clue(s) Affirm as true Affirm frankly Declare the provable truth Guarantee Guarantee cry of pain after case of Viagra's used up