waterspout vs whirlwind

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. 

whirlwind

noun
  • A violent windstorm of limited extent, as the tornado, characterized by an inward spiral motion of the air with an upward current in the center; a vortex of air. It usually has a rapid progressive motion. 

  • A person or body of objects or events sweeping violently onward. 

adj
  • Rapid and minimal: a whirlwind tour, a whirlwind romance. 

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