contrivance vs tuner

contrivance

noun
  • A (mechanical) device to perform a certain task. 

  • Something overly artful or artificial. 

  • A means, such as an elaborate plan or strategy, to accomplish a certain objective. 

tuner

noun
  • A device, electronic or mechanical, that helps a person tune a musical instrument by showing the deviation of the played pitch from the desired pitch. 

  • A musical. 

  • A person who tunes a piano or organ. 

  • The component of an audio system that receives radio broadcasts. 

  • On a musical instrument, a peg or mechanical device that changes the tension, and hence pitch, of a string. 

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