double date vs matinee

double date

verb
  • To go on a double date. 

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

matinee

verb
  • To put on a matinee performance (of). 

noun
  • A showing of a movie, sporting event, or theatrical performance in the morning or afternoon. 

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