How Do You Spell MUNDUNGUS?
Pronunciation: [mˈʌndʌŋɡəs] (IPA) 
The word "Mundungus" is spelled as /mʌnˈdʌŋɡəs/. The word is pronounced with the first syllable being "mʌn", which sounds like "mun" with a slight 'uh' sound in the middle. The "dung" syllable is pronounced as it is spelled, and the last syllable "gəs" is pronounced like "gus." The spelling of Mundungus might seem peculiar, but it is a common practice in the Harry Potter universe to use unique and eccentric words, including the names of the characters.
