chowderheaded vs dotty

chowderheaded

adj
  • Stupid; foolish; lacking in common sense. 

dotty

adj
  • Mildly insane or eccentric; often, senile. 

  • Having many dots. 

noun
  • A shotgun. 

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