penny-pinching vs prudent

penny-pinching

adj
  • reluctant to spend money; close-fisted 

noun
  • Instance of extreme economy. 

  • reluctance to spend money; thrift or parsimony 

prudent

adj
  • Frugal, economical. 

  • Sagacious in adapting means to ends; circumspect in action, or in determining any line of conduct. 

  • Practically wise, judicious, shrewd. 

How often have the words penny-pinching and prudent occurred in a corpus of books? (source: Google Ngram Viewer )