VOLCANOLOGY /ˌvɒl.kənˈɒl.ə.dʒi/ Scrabble 20 Words With Friends 25 Scrabble letter values: V4O1L1C3A1N1O1L1O1G2Y4 = 20 Definition noun the branch of geology that studies volcanoes. — synonyms: vulcanology See all 130 words you can make from VOLCANOLOGY → 11-letter words Words starting with V Words ending with Y ← Unscramble different letters