PC vs reactionary

PC

noun
  • A member of the Conservative Party of Canada. 

  • A personal computer, especially one similar to an IBM PC that runs Microsoft Windows (or, originally, DOS), usually as opposed to (say) an Apple Mac. 

  • forty-nine (an allusion to a cartoon character, Police Constable 49) 

verb
  • To make politically correct. 

reactionary

adj
  • In reaction to; as a result of. 

  • Of, pertaining to, participating in, or inducing a chemical reaction. 

  • Favoring a return to an alleged, mythical golden age of the past; anti-progressive. 

noun
  • One who is opposed to progress and change and wants to reverse it, wishing for a return to an alleged, mythical golden age of the past. 

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