belt-tightening vs declension

belt-tightening

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

adj
  • Causing or involving a reduction in expenditure. 

declension

noun
  • The product of that act; a list of declined forms. 

  • A way of categorizing nouns, pronouns, or adjectives according to the inflections they receive. 

  • A falling off, decay or descent. 

  • The act of declining a word; the act of listing the inflections of a noun, pronoun or adjective in order. 

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