How to spell MUULLER correctly?

We think the word muuller is a misspelling. It could be just an incorrect spelling of the words which are suggested below. Review the list and pick the word which you think is the most suitable.

• Mueller Mueller's investigation into Russian interference in the 2016 presidential election lasted for over two years.
• Muller Muller is a surname common in Germany and other European countries.

Excatally

• exact
• exacted
• exactingly
• exactly
• exacts
• executable
• exotically
• extol
• inexactly
• oxtail