cray vs harebrained

cray

adj

  • Crazy. 

noun

  • A crayfish or lobster. 

harebrained

adj

  • Absurd, foolish or stupid. 

  • Frivolous and silly; featherbrained or scatterbrained. 

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