intimacy vs sexual orientation

intimacy

noun
  • Feeling or atmosphere of closeness and openness towards someone else, not necessarily involving sexuality. 

  • Intimate relationship. 

  • Intimate detail, (item of) intimate information. 

sexual orientation

noun
  • One's tendencies of sexual attraction, considered as a whole. 

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