filigree vs rete

filigree

noun
  • A design resembling such intricate ornamentation. 

  • A delicate and intricate ornamentation made from platinum, gold or silver (or sometimes other metal) twisted wire. 

verb
  • To decorate something with intricate ornamentation made from gold or silver twisted wire. 

rete

noun
  • An anatomical part resembling or including a network. 

  • A rotating cutaway plate or overlay on an astrolabe or starmap which represents the horizon; used to locate stars and other astronomical features. 

  • A network of blood vessels or nerves. 

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