coherence vs consistence

coherence

noun
  • The quality of cohering, or being coherent; internal consistency. 

  • The property of having the same wavelength and phase. 

  • A logical arrangement of parts, as in writing. 

  • A semantic relationship between different parts of the same text. 

  • The quality of forming a unified whole. 

consistence

noun
  • Logical consistency; lack of self-contradiction. 

  • The staying together, or remaining in close relation, of non-physical things. 

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