rocket vs snorkel

rocket

noun
  • A rocket engine. 

  • A non-guided missile propelled by a rocket engine. 

  • A vehicle propelled by a rocket engine. 

  • An ace (the playing card). 

  • A stupid or crazy person. 

  • Something that shoots high in the air. 

  • A very physically attractive woman. 

  • An angry communication (such as a letter or telegram) to a subordinate. 

  • A blunt lance head used in jousting. 

  • A rocket propelled firework; a skyrocket. 

  • Rocket larkspur (Consolida regalis). 

  • The leaf vegetable Eruca sativa or Eruca vesicaria. 

verb
  • To carry something in a rocket. 

  • To accelerate swiftly and powerfully. 

  • To rise or soar rapidly. 

  • To fly vertically. 

  • To attack something with rockets. 

snorkel

noun
  • A retractable tube fitted in diesel-engine submarines to allow sufficient ventilation that the engines may be used at periscope depth. 

  • A snorkel parka. 

  • A hollow tube, held in the mouth, or mounted on and opening into a diving mask, used by swimmers for breathing underwater. 

verb
  • To use a snorkel. 

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