hesitancy vs reliance

hesitancy

noun
  • A pausing or halting before beginning a task, often as a result of some fear or uncertainty about the outcome. 

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 hesitancy and reliance occurred in a corpus of books? (source: Google Ngram Viewer )