PROLEGOMENON /ˌpɹəʊlɪˈɡɒmɪnɒn/ Scrabble 17 Words With Friends 23 Definition noun a preliminary discussion inserted at the beginning of a book or treatise. See all 242 words you can make from PROLEGOMENON → 12-letter words Words starting with P Words ending with N ← Unscramble different letters