asleep vs prepatent

asleep

adj
  • Having a numb or prickling sensation accompanied by a degree of unresponsiveness. 

  • In a state of sleep; also, broadly, resting. 

  • Inattentive. 

  • Dead. 

prepatent

adj
  • Before symptoms (especially of infection) become manifest. 

  • Prior to the existence of a legal patent. 

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