pork vs pork barrel

pork

noun
  • Funding proposed or requested by a member of Congress for special interests or their constituency as opposed to the good of the country as a whole. 

  • law enforcement, those who side with criminal prosecution 

  • The meat of a pig; swineflesh. 

  • A shag; a fuck; an act of coitus. 

verb
  • To have sex with (someone). 

pork barrel

noun
  • 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. 

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

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