helter-skelter vs hubbub

helter-skelter

noun
  • Confusion or turmoil. 

  • A helical fairground slide. 

adj
  • Carelessly hurried and confused. 

adv
  • In confused, disorderly haste. 

hubbub

noun
  • A confused uproar, commotion, tumult or racket. 

verb
  • To cause a tumult or racket. 

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