display vs tachometer

display

noun
  • A piece of work to be presented visually. 

  • A show or spectacle. 

  • A device, furniture or marketing-oriented bulk packaging for visual presentation for sales promotion. 

  • An electronic screen that shows graphics or text. 

  • The presentation of information for visual or tactile reception. 

verb
  • To extend the front of (a column), bringing it into line, deploy. 

  • To show conspicuously; to exhibit; to demonstrate; to manifest. 

  • To make a display; to act as one making a show or demonstration. 

tachometer

noun
  • A device for measuring or indicating velocity or speed, as of blood, a river, a machine, etc. 

  • A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile. 

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