ECTODERMAL Scrabble 15 Words With Friends 18 Scrabble letter values: E1C3T1O1D2E1R1M3A1L1 = 15 Definition adjective of or relating to the ectoderm. — synonyms: ectodermic See all 603 words you can make from ECTODERMAL → 10-letter words Words starting with E Words ending with L ← Unscramble different letters