cumshaw vs instruction

cumshaw

noun
  • A gratuity or tip as thanks for a service 

verb
  • To give or make a present to. 

instruction

noun
  • A set of directions provided by a manufacturer for the users of a product or service. 

  • An instance of the information or knowledge so furnished. 

  • The act of instructing, teaching, or furnishing with information or knowledge. 

  • An order or command. 

  • A single operation of a processor defined by an instruction set architecture. 

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