fruit fly vs weevil

fruit fly

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

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

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

weevil

noun
  • Any of many similar, but more distantly related, beetles such as the biscuit weevil (Stegobium paniceum). 

  • Any of many tens of thousands of species of herbivorous beetles, ranging in size from tiny to large, in the superfamily Curculionoidea, the most characteristic species having the head projecting in a distinctive snout with the mouthparts at the tip. 

  • A loathsome person. 

  • Any of many tens of thousands of species of herbivorous beetles of various sizes, in the family Curculionidae within the superfamily Curculionoidea. 

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