plane vs snorkel

plane

verb
  • To move in a way that lifts the bow out of the water. 

  • To glide or soar. 

  • To smooth (wood) with a plane. 

adj
  • Of a surface: flat or level. 

noun
  • A roughly flat, thin, often moveable structure used to create lateral force by the flow of air or water over its surface, found on aircraft, submarines, etc. (Compare wing, airfoil, hydrofoil.) 

  • A deciduous tree of the genus Platanus. 

  • A level of existence or development. 

  • An imaginary plane which divides the body into two portions. 

  • A sycamore. 

  • Any of 17 designated ranges of 2¹⁶ (65,536) sequential code points each. 

  • A level or flat surface. 

  • An airplane; an aeroplane. 

  • The butterfly Bindahara phocides, family Lycaenidae, of Asia and Australasia. 

  • A tool for smoothing wood by removing thin layers from the surface. 

  • Any of various nymphalid butterflies, of various genera, having a slow gliding flight. 

  • A flat surface extending infinitely in all directions (e.g. horizontal or vertical plane). 

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