Crossword clues for the word: KOH The word KOH has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for KOH Showing 1 to 10 of 10 results Clue(s) ___-i-noor (huge diamond) ___-i-noor: 106-carat diamond -- -i-noor (big diamond) -- -i-noor (famous diamond) — -i-noor diamond "Common caustic, chemically" "Indian diamond, the ___-i-noor" "Potassium hydroxide, to chemists" "Soapmaking compound, chemically" The ___-i-noor diamond