Maodeline or Maudeline: How To spell?

The word Maodeline is misspelled against Maudeline, a noun meaning "An aromatic composite herb, the costmary; also, the South European Achillea Ageratum, a kind of yarrow."

Word contains consecutive vowels 'AU' in between alphabets m & deline is misspelled as 'AO'
Wrong Spelling:  m-ao-deline 
Correct Spelling:  m-au-deline 
Find more incorrect spellings of Maudeline to spell right way.

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