disinterest vs slowness

disinterest

noun
  • An absence of interest (attention or curiosity). 

  • The absence of interest (bias or stake). 

verb
  • To render disinterested. 

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 disinterest and slowness occurred in a corpus of books? (source: Google Ngram Viewer )