intimate vs oppo

intimate

noun
  • A very close friend. 

  • Women's underwear, sleepwear, or lingerie, especially offered for sale in a store. 

adj
  • Pertaining to details that require great familiarity to know. 

  • Closely acquainted; familiar. 

  • Very finely mixed. 

  • Of or involved in a sexual relationship. 

  • Personal; private. 

verb
  • To suggest or disclose (something) discreetly. 

  • To notify. 

oppo

noun
  • A friend, associate or colleague. 

  • Research into one's opponent's family, friends, and past, which aims to uncover activities or interests which embarrass or discredit them. 

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