speculator vs stockholder

speculator

noun
  • One who speculates; as in investing, one who is willing to take volatile risks upon invested principal for the potential of substantial returns. 

  • One who speculates; an observer; a contemplator. 

  • Synonym of field goal 

  • One who forms theories; a theorist. 

stockholder

noun
  • One who owns stock. 

  • a company that maintains a stock of certain products. 

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