The spelling of the word "KAPOSA" can be explained using IPA (International Phonetic Alphabet) transcription. The word is pronounced as /kəˈpoʊsə/. This means that the first syllable is pronounced with a schwa sound, followed by a stressed "po" sound and a weak "sa" sound at the end. The "a" in "KAPOSA" is pronounced as a short "a" sound, while the "o" is pronounced as a long "o" sound, similar to the word "pose." Overall, the spelling accurately reflects the pronunciation of the word.