coat rack vs hatstand

coat rack

noun
  • A rack or stand with hooks or pegs for holding hats and coats, often placed near an entrance for temporary use 

hatstand

noun
  • A device used to store hats upon, consisting of a vertical pole with a sturdy base to prevent toppling, and an array of pegs to hold the hats. 

adj
  • Crazy, insane. 

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