folly vs thrift

folly

noun
  • Foolishness that results from a lack of foresight or lack of practicality. 

  • a pinkish-red color 

  • A fanciful building built for purely ornamental reasons. 

  • Thoughtless action resulting in tragic consequence. 

thrift

noun
  • The characteristic of using a minimum of something (especially money). 

  • A savings bank. 

  • Any of various plants of the genus Armeria, particularly Armeria maritima. 

verb
  • To obtain from a thrift shop. 

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