belt-tightening vs depravation

belt-tightening

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

adj
  • Causing or involving a reduction in expenditure. 

depravation

noun
  • Detraction; depreciation. 

  • The state of being depraved or degenerated; degeneracy; depravity. 

  • Change for the worse; deterioration; morbid perversion. 

  • The act of depraving, or making anything bad; the act of corrupting. 

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