attorn vs hand down

attorn

verb
  • To acknowledge the jurisdiction of (a particular court) over one's dispute. 

  • To consent to the transfer of one's obligations as tenant under a lease to a new landlord. 

  • To transfer one's obligations from a person to another person. 

hand down

verb
  • To deliver (the decision of a court, etc.) 

  • To donate (as second hand.) 

  • To forward to the proper officer (the decision of a higher court). 

  • To transmit in succession, as from father to son, or from predecessor to successor. 

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