outing vs refoulement

outing

noun
  • A performance in public, for example in a drama, film, on a musical album, as a sports contestant etc. 

  • A pleasure trip or excursion. 

  • The practice of publicly revealing that a person is homosexual or transgender without that person's consent. 

refoulement

noun
  • Rendition of a person to an area (chiefly their country of origin) where they will face mistreatment, for example, expulsion of refugees into a war zone; (countable) an instance of this. 

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