Signeurial or Seigneurial: How To spell?

The word Signeurial is misspelled against Seigneurial, an adjective meaning "pertaining to the ld a man; manial."

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