snorkel vs snuffle

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. 

snuffle

verb
  • To speak through the nose; to breathe through the nose when it is obstructed, so as to make a broken sound. 

  • To sniff or smell with the nose loudly and audibly. 

noun
  • An act of snuffling; sniffing loudly 

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