disestablishment vs subversion

disestablishment

noun
  • Specifically, the removal of state privileges or patronage from a given church; the removal of a policy of having an official governing religion. 

  • The taking apart or dissolution of something that had been established. 

subversion

noun
  • The act of overthrowing a government or a ruler; dethronement. 

  • The condition of being subverted. 

  • A systematic attempt to overthrow a government by working from within; undermining. 

  • A revision considered more similar to preceding subversions than a revision deemed a new "version" is to preceding versions. 

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