Crossword clues for the word: RIE The word RIE has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for RIE Showing 1 to 9 of 9 results Clue(s) "___ grass, meadow barley." "Cereal grain, old spelling." Cereal grain: obs. var. Certain grass Grass type: var. Kind of meadow grass. Meadow barley Meadow grass Old form of rye.