The spelling of the word "Feinman" can be explained with the International Phonetic Alphabet (IPA) as /ˈfaɪnmən/. The first syllable, "fine," is pronounced with a long "i" sound followed by the "n" sound. The second syllable, "man," is pronounced with a short "a" sound followed by the "n" sound. The combination of these sounds creates the unique pronunciation of "Feinman." However, it is important to note that the spelling of names can vary based on individual preferences and cultural background.