topcoat vs tuxedo

topcoat

noun
  • A light overcoat. 

  • A layer of paint or varnish etc. applied after the undercoat. 

verb
  • To apply a topcoat to. 

tuxedo

noun
  • The entire suit complementing and including this jacket. 

  • A typically black formal jacket worn by men. 

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