The spelling of the word "Dewain" can be explained using IPA phonetic transcription. The pronunciation of the word is /duːweɪn/. The first syllable, "du", is pronounced with a long "u" sound, as in "do". The second syllable, "wain", is pronounced with a long "a" sound, as in "way", followed by an "n" sound. The spelling of the name is unique and not commonly used, so proper pronunciation may require explanation or clarification.