ARCHENTERON Scrabble 16 Words With Friends 18 Scrabble letter values: A1R1C3H4E1N1T1E1R1O1N1 = 16 Definition noun central cavity of the gastrula. Examples “becomes the intestinal or digestive cavity” See all 482 words you can make from ARCHENTERON → 11-letter words Words starting with A Words ending with N ← Unscramble different letters