hand down vs sign over

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. 

sign over

verb
  • To transfer (property or rights) to somebody else by signing a document. 

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