Maonstay or Mainstay: How To spell?

The word Maonstay is misspelled against Mainstay, a noun meaning "Main support; principal dependence."

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

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