snorkel vs tweedle

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. 

tweedle

verb
  • To make a shrill or trilling sound 

  • To say in a high-pitched voice. 

  • To trifle or play. 

  • To go; to proceed without much enthusiasm. 

  • To move or speak in unison (like Tweedledum and Tweedledee) 

  • To twiddle. 

  • To sell fake jewellery as genuine. 

noun
  • A sound of the kind made by a fiddle. 

  • A confidence trick in which fake jewellery is sold as genuine. 

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