dormant vs prepatent

dormant

noun
  • A crossbeam or joist. 

adj
  • In a sleeping posture; distinguished from couchant. 

  • Inactive, sleeping, asleep, suspended. 

  • Leaning. 

prepatent

adj
  • Prior to the existence of a legal patent. 

  • Before symptoms (especially of infection) become manifest. 

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