overturning vs reliance

overturning

noun
  • The act by which something is overturned. 

reliance

noun
  • A person or thing which relies on another. 

  • The condition of being reliant or dependent. 

  • The act of relying (on or in someone or something); trust. 

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