pork barrel vs specie

pork barrel

noun
  • A ready supply of income; one's livelihood. 

  • State funds as assigned for local or regional expenditure; especially, central money used for regional projects which are eyecatching or designed to appeal to voters. 

specie

noun
  • Money, especially in the form of coins made from precious metal, that has an intrinsic value; coinage. 

  • Type or kind, in various uses of the phrase in specie. 

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