consensus vs consonance

consensus

noun
  • General agreement among the members of a given group or community, each of which exercises some discretion in decision-making and follow-up action. 

  • A process of decision-making that seeks widespread agreement among group members. 

  • Average projected value. 

  • An agreement on some data value that is needed during computation. 

verb
  • To seek consensus; to hold discussions with the aim of reaching mutual agreement. 

consonance

noun
  • Harmony; agreement; lack of discordance. 

  • The repetition of consonant sounds, but not vowels as in assonance. 

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