confuddle vs discordance

confuddle

noun
  • The state of confusion and/or being befuddled. 

verb
  • To confuse thoroughly. 

discordance

noun
  • A state of being discordant; disagreement, inconsistency. 

  • The presence of a specific genetic trait in only one of a set of clones (or identical twins). 

  • Discordance of sounds; dissonance. 

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