austerity vs rarity

austerity

noun
  • A policy of deficit-cutting, which by definition requires lower spending, higher taxes, or both. 

  • Freedom from adornment; plainness; severe simplicity. 

  • Severity of manners or life; extreme rigor or strictness; harsh discipline. 

rarity

noun
  • A measure of the scarcity of an object. 

  • Thinness; the property of having low density 

  • A rare object. 

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