dependant vs groupie

dependant

noun
  • A person who depends on another for support, particularly financial support (= US dependent). 

groupie

noun
  • A fan, especially a young female fan of a male singer or rock group; a person who seeks intimacy (most often physical, sometimes emotional) with a celebrity, usually a rock 'n' roll artist or band member. 

  • A group captain. 

  • A group photo including the photographer; a group self-portrait. 

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