Millionaires or Millionairess: How To spell?
The word Millionaires is misspelled against Millionairess, a noun meaning "A woman who is a millionaire, or the wife of a millionaire."
Millionairess has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  millionaire-s  Correct Spelling:  millionaire-ss 
Find more incorrect spellings of Millionairess to spell right way.