Matterazzo, pronounced [ma.tɛˈrattso], is a surname of Italian origin. Its spelling reflects the pronunciation of the Italian language, where double consonants, such as "tt", indicate a geminate consonant that is pronounced longer than a single consonant. The letter "z" is also used in Italian to represent the sound of "ts", as in "pizza". Overall, the spelling of Matterazzo demonstrates the importance of understanding the phonetic rules of a language when spelling words, particularly in languages with more complex sound systems.