Hitch vs Ralph

Hitch

name
  • Alfred Hitchcock 

  • A surname transferred from the given name. 

Ralph

name
  • Fictional person used in references to vomiting. 

  • A surname originating as a patronymic. 

  • A male given name from the Germanic languages. 

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