airplane vs paraglider

airplane

noun
  • A powered heavier-than-air aircraft with fixed wings. 

verb
  • To transport by aeroplane. 

  • To fly in an aeroplane. 

paraglider

noun
  • The complete equipment used for paragliding, consisting of a paraglider wing and a harness. 

  • One who paraglides. 

  • The wing used for paragliding, which can be separated from the harness. 

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