pluck vs tenacity

pluck

noun
  • Guts, nerve, fortitude or persistence. 

  • The lungs, heart with trachea and often oesophagus removed from slaughtered animals. 

  • An instance of plucking or pulling sharply. 

  • Cheap wine. 

verb
  • To take or remove (someone) quickly from a particular place or situation. 

  • To pull something sharply; to pull something out 

  • To pull or twitch sharply. 

  • To remove feathers from a bird. 

  • To play a string instrument pizzicato. 

  • To gently play a single string, e.g. on a guitar, violin etc. 

  • Of a glacier: to transport individual pieces of bedrock by means of gradual erosion through freezing and thawing. 

tenacity

noun
  • The quality of bodies which keeps them from parting without considerable force, as distinguished from brittleness, fragility, mobility, etc. 

  • The quality of bodies which makes them adhere to other bodies; adhesiveness, viscosity. 

  • The greatest longitudinal stress a substance can bear without tearing asunder, usually expressed with reference to a unit area of the cross section of the substance, as the number of pounds per square inch, or kilograms per square centimeter, necessary to produce rupture. 

  • The quality or state of being tenacious, or persistence of purpose; tenaciousness. 

  • The effect of this attraction, cohesiveness. 

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