The correct spelling of the word pronounced as "Dirden" is actually "Durden." The phonetic transcription of this word is /ˈdɜːdən/. The reason why it is commonly mispronounced and misspelled as "Dirden" could be due to a few factors, such as regional dialect or mishearing. It is important to note the proper spelling of words to ensure effective communication and avoid confusion. In this case, it is "Durden," not "Dirden."