career vs occupation

career

noun
  • One's calling in life; a person's occupation; one's profession. 

  • General course of action or conduct in life, or in a particular part of it. 

  • A jouster's path during a joust. 

  • The flight of a hawk. 

verb
  • To move rapidly straight ahead, especially in an uncontrolled way. 

adj
  • Synonym of serial (“doing something repeatedly or regularly as part of one's lifestyle or career”) 

occupation

noun
  • An activity or task with which one occupies oneself; usually specifically the productive activity, service, trade, or craft for which one is regularly paid; a job. 

  • The act, process or state of possessing a place. 

  • The control of a country or region by a hostile military and/or paramilitary force. 

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