barn dance vs disco

barn dance

verb
  • To take part in barn dancing. 

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

disco

verb
  • To dance disco-style dances. 

  • To go to discotheques. 

noun
  • discovery (pre-trial phase in which evidence is gathered) 

  • discovery (materials revealed to the opposing party during the pre-trial phase in which evidence is gathered) 

  • A genre of dance music that was popular in the 1970s, characterized by elements of soul music with a strong Latin-American beat and often accompanied by pulsating lights. 

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