The spelling of the phrase "more peasoupy" can be explained through IPA phonetic transcription. "Peasoupy" is pronounced /piːsuːpi/, with emphasis on the first syllable. The "e" is pronounced as long "e" sound, the "a" has the short "a" sound, and the "ou" is pronounced as a diphthong with a long "o" and "u" sound. The word "more" is pronounced /mɔr/, with emphasis on the first syllable and a long "o" sound. Therefore, "more peasoupy" is spelled phonetically as /mɔr piːsuːpi/.