belt-tightening vs thrifty

belt-tightening

adj
  • Causing or involving a reduction in expenditure. 

noun
  • A reduction in expenditure, often as a result of financial restrictions. 

thrifty

adj
  • Showing thrift; economical; frugal. 

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