SPELEOLOGY Scrabble 16 Words With Friends 19 Scrabble letter values: S1P3E1L1E1O1L1O1G2Y4 = 16 Definition noun the scientific study of caves. — synonyms: spelaeology noun the pastime of exploring caves. — synonyms: spelaeology See all 179 words you can make from SPELEOLOGY → 10-letter words Words starting with S Words ending with Y ← Unscramble different letters