assurance vs nerve

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. 

nerve

noun
  • Courage; boldness; audacity; gall. 

  • A neuron. 

  • The elastic resistance of raw rubber or other polymers to permanent deformation during processing. 

  • mental agitation caused by fear, stress or other negative emotions. 

  • A vein in a leaf; a grain in wood. 

  • Patience; stamina; endurance, fortitude. 

  • A bundle of neurons with their connective tissue sheaths, blood vessels and lymphatics. 

  • One's neural structures considered collectively as, and conceptually equated with, one's psyche; 

verb
  • May their example nerve us to face the enemy. 

  • To give strength; to supply energy or vigour. 

  • To give courage. 

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