projectile vs ticker

projectile

noun
  • an object intended to be or having been fired from a weapon. 

  • any object propelled through space by the application of a force. 

adj
  • Projecting or impelling forward. 

  • Caused or imparted by impulse or projection; impelled forward. 

ticker

noun
  • A measuring or reporting device, particularly one which makes a ticking sound as the measured events occur. 

  • A watch (timepiece). 

  • A heart, especially a human one. 

  • One who makes a tick mark. 

  • A birdwatcher who aims to see (and tick off on a list) as many bird species as possible. 

  • A ticker tape, either the traditional paper kind or a scrolling message on a screen. 

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