douse vs snorkel

douse

verb
  • To plunge suddenly into water; to duck; to immerse. 

  • To put out; to extinguish. 

  • To strike or lower in haste; to slacken suddenly 

  • To strike, beat, or thrash. 

  • To fall suddenly into water. 

noun
  • A sudden plunging into water. 

  • A blow or strike, especially to the face. 

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 douse and snorkel occurred in a corpus of books? (source: Google Ngram Viewer )