The name "Neil Sack" is spelled as [niːl sæɪk] in the International Phonetic Alphabet. The first name, Neil, is spelled with a long "e" sound and a clear "l" sound. The last name, Sack, is spelled with a long "a" sound and a hard "k" sound. The spelling also follows English orthographic conventions, with Neil being spelled with an "e" instead of an "i," and Sack being spelled with a "c" instead of a "k" at the end.