Docking vs Mooring

Docking

name
  • A habitational surname from Old English. 

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

Mooring

name
  • A mainland dialect of the North Frisian language 

  • A surname. 

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