philosophizer vs speculator

philosophizer

noun
  • A philosopher, a person who writes or reasons in philosophy. 

  • A person who creates superficial arguments or offers meaningless solutions, instead of practical ones. 

speculator

noun
  • One who forms theories; a theorist. 

  • One who speculates; an observer; a contemplator. 

  • Synonym of field goal 

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

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