dancer vs go-go dancer

dancer

noun
  • A person who dances, usually as a hobby, an occupation, or a profession. 

  • A stripper. 

go-go dancer

noun
  • A dancer who entertains patrons at a nightclub, especially a young and scantily dressed woman. 

How often have the words dancer and go-go dancer occurred in a corpus of books? (source: Google Ngram Viewer )