BICONCAVE Scrabble 18 Words With Friends 23 Scrabble letter values: B3I1C3O1N1C3A1V4E1 = 18 Definition adjective concave on both sides. — synonyms: concavo-concave See all 125 words you can make from BICONCAVE → 9-letter words Words starting with B Words ending with E ← Unscramble different letters