bonehead vs dilly

bonehead

noun
  • Someone who is stubborn, thick-skulled, or stupid. 

dilly

noun
  • Someone or something that is remarkable or unusual. 

  • A dilly bag. 

adj
  • Silly; characteristic of a dill. 

  • Redolent of dill (the herb). 

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