The word "zaca" is spelled with a "z" followed by an "a" and a "c" and an "a". Each letter in the word represents a specific sound in the English language. In IPA phonetic transcription, the word is spelled /ˈzækə/. The "z" represents the voiced alveolar fricative sound, the "a" represents the schwa sound, the "c" represents the voiceless velar stop sound, and the last "a" again represents the schwa sound.