brood sow vs swine

brood sow

noun
  • A female pig kept for breeding. 

  • A woman raising children. 

swine

noun
  • A pig (the animal). 

  • A contemptible person (plural swines). 

  • A police officer; a "pig". 

  • Something difficult or awkward; a pain. 

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