live together vs roger

live together

verb
  • To cohabit and have sexual relations while not being married. 

  • Used other than figuratively or idiomatically: see live, together. 

roger

verb
  • To have sexual intercourse. 

  • Of a man, to have sexual intercourse with (someone), especially in a rough manner. 

  • To acknowledge by saying "roger". 

intj
  • Received (used in radio communications to acknowledge that a message has been received and understood) 

noun
  • An act of sexual intercourse. 

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