expeditiousness vs immediacy

expeditiousness

noun
  • The state of being expeditious; celerity, rapidity or speed 

immediacy

noun
  • Lack of mediation; directness. 

  • Immediate awareness or apprehension. 

  • The quality of being immediate, of happening right away. 

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