Docking vs Rob

Docking

name
  • A habitational surname from Old English. 

  • A village in King's Lynn and West Norfolk district, Norfolk, England (OS grid ref TF765370). 

Rob

name
  • A diminutive of the male given name Robert. 

  • A surname transferred from the given name, derived from Robert. 

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