clear-out vs erasure

clear-out

noun
  • The act of emptying a room or space. 

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

erasure

noun
  • The action of erasing; deletion; obliteration. 

  • The state of having been erased; total blankness. 

  • A tendency to ignore or conceal an element of society. 

  • The place where something has been erased. 

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