benefaction vs cumshaw

benefaction

noun
  • An act of charity; almsgiving. 

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

cumshaw

noun
  • A gratuity or tip as thanks for a service 

verb
  • To give or make a present to. 

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