Crossword clues for the word: CORNSTARCH The word CORNSTARCH has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for CORNSTARCH Showing 1 to 5 of 5 results Clue(s) Argo is a brand of this Food thickener GET RID OF GREASE STAINS WITH... Gravy thickener Sauce thickener