dilly vs feather-headed

dilly

adj
  • Silly; characteristic of a dill. 

  • Redolent of dill (the herb). 

noun
  • Someone or something that is remarkable or unusual. 

  • A dilly bag. 

feather-headed

adj
  • giddy; frivolous; foolish 

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