ant vs flea

ant

verb
  • To rub insects, especially ants, on one's body, perhaps to control parasites or clean feathers. 

noun
  • A Web spider. 

  • Any of various insects in the family Formicidae in the order Hymenoptera, typically living in large colonies composed almost entirely of flightless females. 

flea

verb
  • To remove fleas from (an animal). 

noun
  • A small, wingless, parasitic insect of the order Siphonaptera, renowned for its bloodsucking habits and jumping abilities. 

  • A thing of no significance. 

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