The spelling of the word "cavasin" can be confusing due to the various sounds it includes. IPA phonetic transcription can help explain the spelling: /kævəsɪn/. The first syllable includes the sound "k" followed by a short "a" and a "v" sound. The second syllable includes a schwa sound ("ə") followed by an "s" pronounced as a "z" and a short "i" sound. Lastly, the word ends with a "n" sound. With this transcription, one can accurately spell the word "cavasin."