astronautics vs sailing

astronautics

noun
  • Navigation through space. 

  • The science and technology of space flight. 

sailing

noun
  • Navigation; the skill needed to operate and navigate a vessel 

  • Motion across a body of water in a craft powered by the wind, as a sport or otherwise 

  • a scheduled voyage by a ferry or ship. 

  • the time of departure from a port 

adj
  • Travelling by ship. 

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