folding vs insolvency

folding

noun
  • Paper money, as opposed to coins. 

  • the deformation of the Earth's crust in response to slow lateral compression. 

  • The keeping of sheep in enclosures on arable land, etc. 

  • Code folding: a source code display technique that can hide the contents of methods, classes, etc. for easier navigation. 

  • The action of folding; a fold. 

adj
  • Designed to fold; as a folding bed, a folding bicycle, a folding chair, etc. 

insolvency

noun
  • The condition of having more debts than assets. 

  • The condition of being insolvent; the state or condition of a person who is insolvent; the condition of one who is unable to pay his debts as they fall due, or in the usual course of trade and business. 

  • Insufficiency to discharge all debts of the owner. 

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