dethroning vs erasure

dethroning

noun
  • The removal of a ruler from the throne. 

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 dethroning and erasure occurred in a corpus of books? (source: Google Ngram Viewer )