underclothes vs zoot suit

underclothes

noun
  • clothes worn next to the skin and underneath outer clothing 

zoot suit

noun
  • An outfit featuring a suit with broad shoulders, a long coat, and baggy trousers that taper to a tight fit at the ankles. 

  • Synonym of goon suit (“waterproof rubber suit for pilots”) 

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