brevity vs laconism

brevity

noun
  • A short piece of writing. 

  • The quality of being brief in duration. 

  • Succinctness; conciseness. 

laconism

noun
  • A very or notably brief expression. 

  • Extreme brevity in expression. 

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