patina vs topping

patina

noun
  • A paten, flat type of dish. 

  • The colour or incrustation which age and wear give to (mainly metallic) objects; especially, the green rust which covers works of art such as ancient bronzes, coins and medals. 

  • A green colour, tinted with grey, like that of bronze patina. 

  • A gloss or superficial layer. 

adj
  • Of a green colour, tinted with grey, like that of bronze patina. 

topping

noun
  • Any food item added on top of another, such as sprinkles on ice cream or pepperoni on pizza. 

  • Either of the cables that support the ends of a spar or boom. 

  • The tail of an artificial fly. 

  • The act of cutting off the top of something. 

  • The act of raising one extremity of a spar higher than the other. 

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