prepatent vs torpid

prepatent

adj
  • Prior to the existence of a legal patent. 

  • Before symptoms (especially of infection) become manifest. 

torpid

noun
  • An inferior racing boat, or one who rows in such a boat. 

adj
  • unmoving 

  • dormant or hibernating 

  • lazy, lethargic or apathetic 

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