Signior or Seignior: How To spell?

The word Signior is misspelled against Seignior, meaning "A title of honor or respectful address, equivalent to sir."

Word contains consecutive vowels 'EI' in between alphabets s & gnior is misspelled as 'I' as letter 'E' is phonetically ignored
Wrong Spelling:  s-i-gnior 
Correct Spelling:  s-ei-gnior 
Find more incorrect spellings of Seignior to spell right way.