slowness vs supineness

slowness

noun
  • The quality or state of being slow. 

  • A unit, the reciprocal of velocity, that delineates the amount of time required for an object to travel a given distance. 

supineness

noun
  • The state of being supine. 

  • Total submissiveness; flat on one's back, lacking any backbone; with total abandon; prostrate; supine 

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