discordance vs helter-skelter

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. 

helter-skelter

noun
  • Confusion or turmoil. 

  • A helical fairground slide. 

adv
  • In confused, disorderly haste. 

adj
  • Carelessly hurried and confused. 

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