career vs task

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. 

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

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

task

noun
  • A piece of work done as part of one’s duties. 

  • Any piece of work done. 

  • A difficult or tedious undertaking. 

  • A process or execution of a program. 

  • An objective. 

verb
  • To charge, as with a fault. 

  • To assign a task to, or impose a task on. 

  • To oppress with severe or excessive burdens; to tax 

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