clitoris vs genital organ

clitoris

noun
  • A sensitive elongated erectile organ at the anterior part of the vulva in female humans and mammals, homologous with the penis. 

  • A similar erectile sexual organ present in the cloacas of female ratites. 

genital organ

noun
  • An organ used in sexual reproduction or sexual stimulation; a sex organ; (in plural) genitalia. 

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