pork barrel vs wherewithal

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. 

wherewithal

noun
  • The ability and means required to accomplish some task. 

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