pork barrel vs wealth

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. 

wealth

noun
  • Riches; a great amount of valuable assets or material possessions. 

  • A great amount; an abundance or plenty. 

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