prudential vs thrifty

prudential

adj
  • Of a person: exercising prudence; cautious. 

  • Advisory; superintending or executive. 

  • Characterised by the use of prudence; arising from careful thought or deliberation. 

thrifty

adj
  • Showing thrift; economical; frugal. 

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