actuary vs cashier

actuary

noun
  • A professional who calculates financial values associated with uncertain events subject to risk, such as insurance premiums or pension contributions. 

cashier

noun
  • Person in charge of the cash of a business or bank. 

  • One who works at a till or receives payments. 

verb
  • To work as a cashier (at a till or receiving payment) 

  • To annul. 

  • To discard, put away. 

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