abruptness vs brachylogy

abruptness

noun
  • The state of being abrupt or broken 

  • Suddenness; unceremonious haste or vehemence. 

brachylogy

noun
  • Concise speech; laconism. 

  • Any of several forms of omission of words, including the omission of an understood part of a phrase, as, the omission of "good" from "(good) morning!" 

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