angularity vs ken

angularity

noun
  • The property or characteristic of possessing angles. 

  • A stiff, cranky, crotchety manner or behaviour. 

  • A sharp point or angle. 

ken

noun
  • Range of sight. 

  • Youth or children's group. 

  • A Japanese unit of length equal to six shakus 

  • Knowledge, perception, or sight. 

  • The tsurugi 

verb
  • To know, perceive or understand. 

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