helter-skelter vs sudden

helter-skelter

adv
  • In confused, disorderly haste. 

noun
  • A helical fairground slide. 

  • Confusion or turmoil. 

adj
  • Carelessly hurried and confused. 

sudden

adv
  • Suddenly. 

adj
  • Happening quickly and with little or no warning. 

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