The spelling of the word "ADEESE" is quite interesting. The word, which is not commonly used, is pronounced as /ədiːs/ in IPA phonetic transcription. The first syllable is pronounced with a schwa sound, followed by the long "ee" sound. The second syllable is pronounced with a soft "s" sound. Overall, the spelling of the word "ADEESE" may seem confusing to some, but when broken down phonetically, it can be easily understood and pronounced correctly.