double date vs times

double date

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

verb
  • To go on a double date. 

times

noun
  • The circumstances of a certain time. 

  • A person's experiences or biography. 

verb
  • To multiply. 

prep
  • multiplied by 

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