lac vs overturn

lac

noun
  • Laceration. 

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

overturn

noun
  • A turning over or upside-down; inversion. 

  • The overturning or overthrow of some institution or state of affairs; ruin. 

verb
  • To turn over, capsize or upset. 

  • To diminish the significance of a previous defeat by winning; to make a comeback from. 

  • To overthrow or destroy. 

  • Of a body of water: to undergo a limnic eruption, where dissolved gas suddenly erupts from the depths. 

  • To reverse (a decision); to overrule or rescind. 

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