cumshaw vs inform

cumshaw

verb
  • To give or make a present to. 

noun
  • A gratuity or tip as thanks for a service 

inform

verb
  • To give form or character to; to inspire (with a given quality); to affect, influence (with a pervading principle, idea etc.). 

  • To act as an informer; denounce. 

  • To communicate knowledge to. 

  • To impart information or knowledge. 

adj
  • Without regular form; shapeless; ugly; deformed. 

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