assurance vs mishap

assurance

noun
  • Excessive boldness; impudence; audacity 

  • Subjective certainty of one's salvation. 

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

  • 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. 

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

mishap

noun
  • Evil accident; ill luck; misfortune; mischance. 

  • An accident, mistake, or problem. 

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