GIBBERELLIN Scrabble 16 Words With Friends 22 Scrabble letter values: G2I1B3B3E1R1E1L1L1I1N1 = 16 Definition noun a plant hormone isolated from a fungus. Examples “used in promoting plant growth” See all 178 words you can make from GIBBERELLIN → 11-letter words Words starting with G Words ending with N ← Unscramble different letters