lac vs shoeing

lac

noun
  • Laceration. 

  • A resinous substance or lacquer produced mainly on the banyan tree by the female of Kerria lacca, a scale insect. 

shoeing

noun
  • The act of fitting an animal with horseshoes. 

  • A thrashing. 

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