The correct spelling for "fell the wagon" is actually "felled the wagon", with the past tense form of the verb "fell" being spelled with two "l's". The IPA (International Phonetic Alphabet) transcription for this word is /fɛld ðə ˈwæɡən/. The symbol "ɛ" represents the "e" sound as in "bet", while "ð" represents the voiced "th" sound as in "the". So, the correct pronunciation would be "feld the wagon". Ensure to pay attention to spelling so as not to change the meaning of a sentence.