overcoat vs tuxedo

overcoat

noun
  • A heavy garment worn over other clothes, for protection from cold or weather. 

verb
  • To apply an exterior coating to. 

tuxedo

noun
  • The entire suit complementing and including this jacket. 

  • A typically black formal jacket worn by men. 

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