disturbance vs turmoil

disturbance

noun
  • A serious mental imbalance or illness. 

  • The act of disturbing, being disturbed. 

  • A noisy commotion that causes a hubbub or interruption. 

  • Something that disturbs. 

  • An interruption of that which is normal or regular. 

turmoil

noun
  • A state of great disorder or uncertainty. 

  • Harassing labour; trouble; disturbance. 

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