detonate vs snorkel

detonate

verb
  • To explode; to blow up. Specifically, to combust supersonically via shock compression. 

  • To cause to explode. 

  • To express sudden anger. 

snorkel

verb
  • To use a snorkel. 

noun
  • A snorkel parka. 

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

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

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