rotatory vs turning

rotatory

adj
  • of, pertaining to, or causing rotation; rotational 

turning

noun
  • Shavings produced by turning something on a lathe. 

  • The act of turning. 

  • At hockey, a foul committed by a player attempting to hit the ball who interposes their body between the ball and an opposing player trying to do the same. 

  • A turn or deviation from a straight course. 

  • The shaping of wood or metal on a lathe. 

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