daft as a brush vs squirrelly

daft as a brush

adj

  • Tending to do or say silly things. 

squirrelly

adj

  • eccentric 

  • resembling a squirrel 

  • unpredictable or jumpy 

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