assurance vs request

assurance

noun
  • The act of assuring; a declaration tending to inspire full confidence; something designed to give confidence. 

  • Subjective certainty of one's salvation. 

  • Firmness of mind; undoubting steadiness; intrepidity; courage; confidence; self-reliance. 

  • Insurance; a contract for the payment of a sum on occasion of a certain event, as loss or death. Assurance is used in relation to life contingencies, and insurance in relation to other contingencies. It is called temporary assurance, in the time within which the contingent event must happen is limited. 

  • The state of being assured; total confidence or trust; a lack of doubt; certainty. 

  • Excessive boldness; impudence; audacity 

  • Any written or other legal evidence of the conveyance of property; a conveyance; a deed. 

request

noun
  • Act of requesting (with the adposition at in the presence of possessives, and on in their absence). 

  • A message sent over a network to a server. 

  • Condition of being sought after. 

  • A formal message requesting something. 

verb
  • To ask (somebody) to do something. 

  • To ask for (something). 

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