pork barrel vs revenue

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. 

revenue

noun
  • The net income from normal business operations; net sales. 

  • All income generated for some political entity's treasury by taxation and other means. 

  • The income returned by an investment. 

  • The total sales; turnover. 

  • A return; something paid back. 

  • The total income received from a given source. 

verb
  • To supply with revenue. 

  • To generate revenue. 

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