swine vs toad

swine

noun
  • A contemptible person (plural swines). 

  • A pig (the animal). 

  • A police officer; a "pig". 

  • Something difficult or awkward; a pain. 

toad

noun
  • A contemptible or unpleasant person. 

  • An ugly person. 

  • An amphibian, a kind of frog (order Anura) with shorter hindlegs and a drier, wartier skin, many in family Bufonidae. 

verb
  • To expel (a user) permanently from a MUD or similar system, so that their account is deleted. 

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