benefaction vs sponsorship

benefaction

noun
  • An act of charity; almsgiving. 

  • An act of doing good; a benefit, a blessing. 

sponsorship

noun
  • The state or practice of being a sponsor. 

  • The aid or support provided by a sponsor; backing or patronage. 

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