The spelling of the word "Masiello" follows the principles of English phonetics. In IPA transcription, it is spelled /məˈsiɛloʊ/. The first syllable is pronounced as "muh," the following syllable as "see," and the final syllable as "el-oh." The letter "o" in the final syllable is pronounced as "oh" instead of "ah" due to the presence of the letter "l" before it. Overall, the spelling of "Masiello" accurately represents its pronunciation using English phonemes.