"Addazio" is a surname that is spelled phonetically as /əˈdɑːzioʊ/. The first syllable is pronounced with a short "uh" sound, followed by a stressed "DAH" and ending with a long "oh" sound. The second syllable is pronounced with a short "z" sound, followed by a long "ee" sound and ending with a short "oh" sound. This spelling follows standard English pronunciation rules and can be easily pronounced once the phonetic transcription is understood.