belt-tightening vs shrinkage

belt-tightening

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

adj
  • Causing or involving a reduction in expenditure. 

shrinkage

noun
  • The loss of merchandise through theft, spoilage, and obsolescence. 

  • The act of shrinking, or the proportion by which something shrinks. 

  • The reduction in size of the male genitalia when cold, such as from immersion in cold water. 

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