The spelling of the word "Perlline" can be confusing without knowledge of its pronunciation. The word is pronounced /pɜːl.laɪn/. The "e" in "Perlline" is silent, so it should not be pronounced as part of the word. The double "l" in "Perlline" represents a long "l" sound, which is elongated compared to a single "l" sound. Understanding the IPA phonetic transcription of English words can help clarify spelling and pronunciation, making it easier to communicate accurately.