chucklehead vs palooka

chucklehead

noun
  • A stupid or clumsy person. 

  • A coastal rockfish of California, Sebastes chlorostictus. 

palooka

noun
  • A stupid, oafish or clumsy person. 

  • Someone incompetent or untalented. 

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