activity vs stasis

activity

noun
  • 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. 

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

  • 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 

stasis

noun
  • A slackening or arrest of the blood current, due not to a lessening of the heart’s beat, but to some abnormal resistance of the capillary walls. 

  • Inactivity; a freezing, or state of motionlessness. 

  • A technology allowing something to be artificially frozen in time, so that it does not age or change. 

  • One of the sections of a cathisma or portion of the psalter. 

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