activity vs diversion

activity

noun
  • Something done for pleasure or entertainment, especially one involving movement or an excursion. 

  • The lexical aspect (aktionsart) of verbs or predicates that change over time and have no natural end point. 

  • Something done as an action or a movement. 

  • The state or quality of being active; activeness. 

  • The number of radioactive decays per unit time. Unit for it: becquerel or curie 

  • The propery of substances to react with other substances 

diversion

noun
  • A hobby; an activity that distracts the mind. 

  • A detour, such as during road construction. 

  • Officially halting or suspending a formal criminal or juvenile justice proceeding and referral of the accused person to a treatment or care program. 

  • The act of diverting. 

  • Removal of water via a canal. 

  • The rerouting of cargo or passengers to a new transshipment point or destination, or to a different mode of transportation before arrival at the ultimate destination. 

  • A tactic used to draw attention away from the real threat or action. 

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