digging vs frisk

digging

noun
  • The action performed by a person or thing that digs. 

  • A place where ore is dug, especially certain localities in California, Australia, etc. where gold is obtained. 

frisk

noun
  • The act of frisking, of searching for something by feeling someone's body. 

  • A little playful skip or leap; a brisk and lively movement. 

verb
  • To frolic, gambol, skip, dance, leap. 

  • To search (someone) by feeling their body and clothing. 

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