Crossword clues for the word: HYDROX The word HYDROX has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for HYDROX Showing 1 to 8 of 8 results Clue(s) Longtime Oreo competitor Longtime rival of 42-Across Oreo alternative Oreo predecessor Oreo rival Original Oreo competitor Sunshine cookie Vegan Oreo rival