helter-skelter vs uneasiness

helter-skelter

noun
  • Confusion or turmoil. 

  • A helical fairground slide. 

adv
  • In confused, disorderly haste. 

adj
  • Carelessly hurried and confused. 

uneasiness

noun
  • The state of being uneasy, nervous or restless. 

  • An anxious state of mind; anxiety. 

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