bee vs greenfly

bee

noun
  • A flying insect, of the clade Anthophila within the hymenopteran superfamily Apoidea, known for its organised societies (though only a minority have them), for collecting pollen and (in some species) producing wax and honey. 

  • A contest, especially for spelling; see spelling bee. 

  • The name of the Latin-script letter B. 

  • Any of the pieces of hard wood bolted to the sides of the bowsprit, to reeve the fore-topmast stays through. 

  • A community gathering to share labour, e.g. a sewing bee or a quilting bee. 

greenfly

noun
  • Certain aphids (Aphidoidea), commonly known as greenfly in Britain and the Commonwealth 

  • Lucilia sericata, common green bottle fly 

  • especially, Myzus persicae, green peach aphid 

  • Odontomyia chloris (syn. Musca chloris) 

  • Tabanus nigrovittatus, a biting horsefly more commonly known as the greenhead horsefly, greenhead fly, or greenhead 

  • Any of several kinds of common insects green in color 

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