The correct spelling of "Abel Green" is determined by the International Phonetic Alphabet (IPA) system. It is pronounced as /ˈeɪbəl ɡriːn/, where the emphasis is on the first syllable of both words. The symbol /eɪ/ represents the long A sound, while /b/ and /l/ are pronounced as in the word "able". The word "green" is pronounced with a long E sound represented by the symbol /iː/ and the /n/ is pronounced as in "no". Thus, the correct spelling reflects the correct pronunciation of the word.