The surname "Mongiello" is phonetically spelled as /mɑŋˈdʒɛləʊ/. The "M" sound is followed by a nasal "A" as in "Bang", while the "NG" is pronounced as in "Singer". The "I" is pronounced as a short "E" sound, followed by a soft "E" sound, making "ell" sound like "el-yo". The spelling of the word "Mongiello" follows the Italian phonetic pattern, where every letter is pronounced. The name is unique and a beautiful representation of Italian ancestry.