onus vs pressure

onus

noun
  • Blame. 

  • A legal obligation. 

  • Burden of proof, onus probandi. 

  • Stigma. 

  • Responsibility; burden. 

pressure

noun
  • Distress. 

  • A pressing; a force applied to a surface. 

  • The amount of force that is applied over a given area divided by the size of this area; force per unit area. 

  • A contrasting force or impulse of any kind 

  • Urgency 

verb
  • To encourage or heavily exert force or influence. 

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