The word "Alvarso" is spelled with the following IPA phonetic transcription: /æl'vɑrsoʊ/. The first syllable "al" is pronounced with a short "a" sound followed by the "l" sound. The second syllable "var" is pronounced with a stressed vowel "a" followed by the "r" sound. The final syllable "so" is pronounced with a "s" sound followed by a long "o" sound. This word is not commonly used in English, and its origins and meaning are unclear.