Daophin or Dauphin: How To spell?

The word Daophin is misspelled against Dauphin, a noun meaning "The title of the eldest son of the king of France, and heir to the crown. Since the revolution of 1830, the title has been discontinued."

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

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