crochet vs perplex

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. 

perplex

verb
  • To involve; to entangle; to make intricate or complicated. 

  • To cause to feel baffled; to puzzle. 

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