directness vs periphrase

directness

noun
  • The state or quality of being direct. 

periphrase

noun
  • The use of more words than are necessary to express the idea; a roundabout, or indirect, way of speaking; circumlocution. 

verb
  • To use circumlocution. 

  • To express by periphrase or circumlocution. 

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