cumshaw vs dowry

cumshaw

verb
  • To give or make a present to. 

noun
  • A gratuity or tip as thanks for a service 

dowry

verb
  • To bestow a dowry upon. 

noun
  • Payment by the groom or his family to the bride's family: bride price. 

  • A natural gift or talent. 

  • Payment, such as property or money, paid by the bride's family to the groom or his family at the time of marriage. 

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