Maynprising or Mainprising: How To spell?

The word Maynprising is misspelled against Mainprising, which is present continuous of "Mainprise"

Word contains consecutive vowels 'AI' in between alphabets m & nprising is misspelled as 'AY'
Wrong Spelling: m-ay-nprising
Correct Spelling: m-ai-nprising
Find more wrongly spelled words of Mainprising to spell it well.