ADVENTITIAL Scrabble 15 Words With Friends 18 Scrabble letter values: A1D2V4E1N1T1I1T1I1A1L1 = 15 Definition adjective of or pertaining to the adventitia. See all 356 words you can make from ADVENTITIAL → 11-letter words Words starting with A Words ending with L ← Unscramble different letters