The spelling of the word "deroche" follows the English phonetic system. In IPA phonetic transcription, it is written as /dəˈrəʊʃ/. The first syllable is pronounced as "duh" with a schwa sound. The second syllable is pronounced as "row" with an "o" sound and the third syllable is pronounced as "shh" with a long "o" sound. The final syllable is pronounced as a short "sh" sound like in "shoe". The phonetic spelling of "deroche" helps to accurately represent its pronunciation.