millionaire vs wealthy

millionaire

noun
  • A person whose net worth is at or greater than one million units of the local currency; a multimillionaire. 

  • A person whose net worth is at or greater than one million units of the local currency, but less than two million. 

wealthy

noun
  • A rich person. 

  • Synonym of rich: the wealthy people of a society or of the world collectively. 

adj
  • Possessing financial wealth; rich. 

  • Abundant in quality or quantity; profuse. 

How often have the words millionaire and wealthy occurred in a corpus of books? (source: Google Ngram Viewer )