snorkel vs swim

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. 

swim

verb
  • To cause to swim. 

  • To move around freely because of excess space. 

  • To move through the water, without touching the bottom; to propel oneself in water by natural means. 

  • To glide along with a waving motion. 

  • My head was swimming after drinking two bottles of cheap wine. 

  • To immerse in water to make the lighter parts float. 

  • To traverse (a specific body of water, or a specific distance) by swimming; or, to utilize a specific swimming stroke; or, to compete in a specific swimming event. 

  • To be dizzy or vertiginous; have a giddy sensation; to have, or appear to have, a whirling motion. 

  • To be overflowed or drenched. 

  • To become immersed in, or as if in, or flooded with, or as if with, a liquid 

  • To test (a suspected witch) by throwing into a river; those who floated rather than sinking were deemed to be witches. 

noun
  • The sound, or air bladder, of a fish. 

  • An act or instance of swimming. 

  • A dizziness; swoon. 

  • A dance move of the 1960s in which the arms are moved in a freestyle swimming manner. 

  • A part of a stream much frequented by fish. 

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