crochet vs folly

crochet

verb
  • To make (a piece of) needlework using a hooked needle; to make interlocking loops of thread. 

noun
  • A certain crest of enamel on the molar teeth of some rhinoceroses. 

  • Needlework made by looping thread with a hooked needle. 

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. 

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