Maostress or Maistress: How To spell?

The word Maostress is misspelled against Maistress, a noun meaning "Mistress."

Word contains consecutive vowels 'AI' in between alphabets m & stress is misspelled as 'AO'
Wrong Spelling:  m-ao-stress 
Correct Spelling:  m-ai-stress 
Find more incorrect spellings of Maistress to spell right way.

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