investigative vs peery

investigative

adj
  • inquisitive; curious 

  • Of or pertaining to investigation 

peery

adj
  • That tends to peer; prying, inquisitive, curious. 

  • Of or pertaining to peers or the peerage. 

noun
  • spinning top 

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