The word "santelli" is a common surname in Italy. The spelling of this word can be explained using the International Phonetic Alphabet (IPA). The first syllable, "san," is pronounced as /sæn/, with the "a" sound like in "cat" and "n" pronounced as in "new." The second syllable, "tel," is pronounced as /tɛl/, with a short "e" sound like in "bed" and "l" pronounced as in "lemon." The final syllable, "li," is pronounced as /li/, with a long "e" sound like in "meet."