Irish bull vs hogwash

Irish bull

noun
  • A ludicrous, incongruent or logically absurd statement. 

hogwash

noun
  • Foolish talk or writing; nonsense. 

  • A mixture of solid and liquid food scraps fed to pigs; swill. 

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