Crossword clues for the word: HOH The word HOH has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for HOH Showing 1 to 8 of 8 results Clue(s) "Common molecule, to a chemist" "Substance that appears in several answers in this puzzle, chemically" "Water, structurally" "Water, to a chemist" "Water, to chemists" Letters in a water molecule diagram Olympic National Park rain forest region West Coast Indian