backstage vs tête-à-tête

backstage

noun
  • The area behind a stage out of view of the audience where performers wait to give their show; especially that of the dressing rooms. 

  • The private portion of the space used by a business or enterprise. 

adv
  • Towards the area behind the stage. 

  • Out of view of the public. 

adj
  • Secret, concealed from the public. 

  • Relating to, or situated in the area behind a stage. 

tête-à-tête

noun
  • A face-to-face meeting, or private conversation between two people, usually in an intimate setting; a head-to-head. 

  • A bench or sofa that allows two people to talk face-to-face, especially one that is S-shaped. 

  • A variety of early flowering, fragrant daffodil. 

adv
  • In private, between two people; head-to-head. 

How often have the words backstage and tête-à-tête occurred in a corpus of books? (source: Google Ngram Viewer )