clear-out vs voidance

clear-out

noun
  • The act of emptying a room or space. 

  • A semicircular sweep with the ball grasped firmly in both hands. 

voidance

noun
  • The act of voiding, of defecating or removing. 

  • The quality of being void. 

How often have the words clear-out and voidance occurred in a corpus of books? (source: Google Ngram Viewer )