deep pockets vs the wherewithal

deep pockets

noun
  • Pockets long enough inside to accommodate more than average number or size of contents. 

  • An ample supply of money, especially money which one is willing to spend; the possessor of such money. 

the wherewithal

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