disinclination vs slowness

disinclination

noun
  • The state of being disinclined; want of propensity, desire, or affection; slight aversion or dislike 

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. 

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