fruit fly vs motherfucker

fruit fly

noun
  • A woman who enjoys the company of homosexual men; a "fag hag". 

  • any insect of the Drosophilidae family, whose larvae feed on ripening fruit, especially the species Drosophila melanogaster that is used in genetic research. 

  • any insect of the Tephritidae family, whose larvae damage plant tissue. 

motherfucker

noun
  • One who engages in sex with a mother, not necessarily one's own. 

  • An extremely contemptible or mean person. 

  • An extremely intense experience, often but not always negative. 

  • To an extreme degree. 

  • A good very close friend or relative. 

  • One who engages in incest with their mother. 

  • Any person, often but not always with the connotation that the person is disliked or is threatening. 

intj
  • Expressing dismay, discontent, or surprise. 

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