typhoon vs waterspout

typhoon

verb
  • To swirl like a hurricane. 

noun
  • A weather phenomenon in the northwestern Pacific that is precisely equivalent to a hurricane, which results in wind speeds of 64 knots (118 km/h) or above. Equivalent to a cyclone in the Indian Ocean and Indonesia/Australia. 

waterspout

noun
  • A whirlwind that forms over water, not associated with a mesocyclone of a thunderstorm (contrary to a true tornado). 

  • A plume of water rising from the surface of a body of water as the result of an impact or explosion. 

  • A true tornado that passes over a body of water. 

  • A channel through which water is discharged, especially from the gutters of a roof. 

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