suckling pig vs swine

suckling pig

noun
  • An unweaned pig, especially one whose carcass is roasted whole on a spit. 

  • The flesh of such a pig cooked and served as a food item. 

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 suckling pig and swine occurred in a corpus of books? (source: Google Ngram Viewer )