angularity vs stiffness

angularity

noun
  • A stiff, cranky, crotchety manner or behaviour. 

  • The property or characteristic of possessing angles. 

  • A sharp point or angle. 

stiffness

noun
  • rigidity or a measure of rigidity. 

  • inelegance; a lack of relaxedness. 

  • inflexibility or a measure of inflexibility. 

  • muscular tension due to unaccustomed or excessive exercise or work; soreness. 

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