Messigneurs or Messeigneurs: How To spell?

The word Messigneurs is misspelled against Messeigneurs, which is plural of "Monseigneur"

Word contains consecutive vowels 'EI' in between alphabets mess & gneurs is misspelled as 'I' as letter 'E' is phonetically ign
Wrong Spelling:  mess-i-gneurs 
Correct Spelling:  mess-ei-gneurs 
Check more misspelled words of Messeigneurs to spell it correct.