diffuse vs periphrastic

diffuse

adj
  • Wordy; verbose. 

  • Everywhere or throughout everything; not focused or concentrated. 

verb
  • To be spread over or through as in air, water, or other matter, especially by fluid motion or passive means. 

  • To spread over or through as in air, water, or other matter, especially by fluid motion or passive means. 

periphrastic

adj
  • Expressed in more words than are necessary. 

  • Characterized by periphrasis. 

  • Indirect in naming an entity; circumlocutory. 

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