The spelling of the word "XAC" can seem confusing at first. However, the IPA phonetic transcription provides clarity. The phonetic transcription for "XAC" is /zæk/. This indicates that the first sound is a voiced "z" sound, followed by the short "a" vowel sound, and ending with the unvoiced "k" sound. Understanding the phonetic transcription helps us to correctly pronounce words that may appear unfamiliar, such as "XAC".