effort vs subduction

effort

noun
  • A force acting on a body in the direction of its motion. 

  • An endeavor. 

  • The work involved in performing an activity; exertion. 

verb
  • To make an effort. 

subduction

noun
  • The action of being pushed or drawn beneath another object. 

  • The process of one tectonic plate moving beneath another and sinking into the mantle at a convergent plate boundary. 

  • Arithmetical subtraction. 

  • A surjection between diffeological spaces such that the target is identified as the pushforward of the source. 

  • The act of subducting or taking away. 

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