fruit fly vs moth

fruit fly

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

  • 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". 

moth

noun
  • The plant Vigna aconitifolia, moth bean. 

  • A usually nocturnal insect of the order Lepidoptera, distinguished from butterflies by feather-like antennae. 

  • Anything that gradually and silently eats, consumes, or wastes any other thing. 

verb
  • To hunt for moths. 

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