daft as a brush vs dilly

daft as a brush

adj
  • Tending to do or say silly things. 

dilly

adj
  • Silly; characteristic of a dill. 

  • Redolent of dill (the herb). 

noun
  • Someone or something that is remarkable or unusual. 

  • A dilly bag. 

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