The spelling of the word "DUSH" can be explained using the International Phonetic Alphabet (IPA). The initial sound, represented by /d/, is a voiced alveolar plosive. The following sound, /ʌ/, is a mid-central vowel. The final sound, /ʃ/, is an unvoiced postalveolar fricative. Therefore, the phonetic transcription of "DUSH" is /dʌʃ/. Paying attention to the spellings of words is important since it can affect the meaning and interpretation of a sentence.