The word "Savonna" is spelled with a "double n" to indicate the nasal pronunciation of the second "n". In IPA phonetic transcription, the word is pronounced /səˈvɒnə/, with accent on the second syllable. The first syllable is pronounced as a neutral vowel sound, followed by the stressed "v" sound. The final syllable is pronounced with a short "o" sound, followed by the nasal pronunciation of the double "n". The spelling of "Savonna" accurately reflects its phonetic pronunciation.