The spelling of the word "prasoon" can be explained with the International Phonetic Alphabet (IPA) as /prəsuːn/. The first syllable is pronounced with a short "u" sound and the stress is on the second syllable, which contains a long "oo" sound. The final syllable is pronounced with a short "u" sound and an "n". The spelling of the word "prasoon" can be confusing due to the multiple vowels used, but the correct pronunciation can be easily understood with the help of IPA.