Meunpernor or Mainpernor: How To spell?

The word Meunpernor is misspelled against Mainpernor, a noun meaning "A surety, under the old writ of mainprise, for a prisoner's appearance in court at a day."

Word contains consecutive vowels 'AI' in between alphabets m & npernor is misspelled as 'EU'
Wrong Spelling:  m-eu-npernor 
Correct Spelling:  m-ai-npernor 
Check more misspelled words of Mainpernor to spell it correct.

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