Meynstay or Mainstay: How To spell?

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

Word contains consecutive vowels 'AI' in between alphabets m & nstay is misspelled as 'EY'
Wrong Spelling:  m-ey-nstay 
Correct Spelling:  m-ai-nstay 
Explore spell check of Mainstay to spell without errors.

You might be interested to know

Mounteyneer or Mountaineer?

Overpeynt or Overpaint?

Penteyl or Pentail?