overclothes vs zoot suit

overclothes

noun
  • Items of clothing worn as an outer layer. 

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 overclothes and zoot suit occurred in a corpus of books? (source: Google Ngram Viewer )