perseveration vs pluck

perseveration

noun
  • The act or an instance of persevering; perseverance. 

  • The tendency to continue or repeat an act or activity after the cessation of the original stimulus. 

  • Uncontrollable repetition of a particular response, such as a word, phrase, or gesture, despite the absence or cessation of a stimulus, usually caused by brain injury or other organic disorder. 

  • Argument by repetition; a mantra. 

pluck

noun
  • An instance of plucking or pulling sharply. 

  • Guts, nerve, fortitude or persistence. 

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

  • 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. 

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