The spelling of the name "Alvaro de Solva" can be broken down using IPA phonetic transcription. The first name, "Alvaro," is pronounced as /alˈβaɾo/. The second part of the name, "de Solva," is pronounced as /de ˈsolβa/. The letter "v" in Spanish is pronounced like a "b" sound, so the name can also be spelled as "Albaro de Solba." The pronunciation may vary depending on the speaker's accent and the region of Spain. Overall, the spelling of this name follows Spanish phonetic conventions.