double date vs shepherd

double date

noun
  • A (romantic) date that two couples go on together. 

verb
  • To go on a double date. 

shepherd

noun
  • A swain; a rustic male lover. 

  • A person who tends sheep, especially a grazing flock. 

  • Someone who watches over, looks after, or guides somebody. 

  • The pastor of a church; one who guides others in religion. 

  • A male sheep tender 

  • A German Shepherd. 

  • A male pastor 

  • A male watcher/guardian/guider/leader 

verb
  • To obstruct an opponent from getting to the ball, either when a teammate has it or is going for it, or if the ball is about to bounce through the goal or out of bounds. 

  • To watch over; to guide. 

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