altruism vs assurance

altruism

noun
  • Action or behaviour that benefits another or others at some cost to the performer. 

  • Regard for others, both natural and moral without regard for oneself; devotion to the interests of others; brotherly kindness. 

assurance

noun
  • 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. 

  • Excessive boldness; impudence; audacity 

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

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