barn dance vs expletive deleted

barn dance

verb
  • To take part in barn dancing. 

noun
  • A type of set step routine dancing, such as square dance. 

expletive deleted

verb
  • To have sex with. 

adj
  • An all-purpose profanity. 

noun
  • An all-purpose profanity. 

How often have the words barn dance and expletive deleted occurred in a corpus of books? (source: Google Ngram Viewer )