enquiring vs inquisition

enquiring

noun
  • An instance of making an enquiry; an asking. 

adj
  • Curious, inquisitive or investigative. 

inquisition

noun
  • A questioning. 

  • An inquest. 

  • An inquiry or investigation into the truth of some matter. 

  • The finding of a jury, especially such a finding under a writ of inquiry. 

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