permanence vs shortness

permanence

noun
  • The reciprocal of magnetic inductance. 

  • The state of being permanent. 

shortness

noun
  • The property of being short or terse. 

  • The property of being short, of being small of stature or brief. 

  • The result or product of being short. 

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