ETIOLOGICAL /ˌiːtɪəˈlɒdʒɪkəl/ Scrabble 14 Words With Friends 18 Definition adjective of or relating to the philosophical study of causation. — synonyms: etiologic, aetiological, aetiologic adjective relating to the etiology of a disease. — synonyms: etiologic, aetiological, aetiologic See all 254 words you can make from ETIOLOGICAL → 11-letter words Words starting with E Words ending with L ← Unscramble different letters