cookie vs layer cake

cookie

noun
  • A sweet baked good (as in the previous sense) usually having chocolate chips, fruit, nuts, etc. baked into it. 

  • A magic cookie. 

  • A piece of crack cocaine, larger than a rock, and often in the shape of a cookie. 

  • The female genitalia. 

  • A small, flat, baked good which is either crisp or soft but firm. 

  • One's eaten food (e.g. lunch, etc.), especially one's stomach contents. 

  • A bun. 

  • A cucoloris. 

  • An HTTP cookie. 

verb
  • To send a cookie to (a user, computer, etc.). 

layer cake

noun
  • A cake consisting of multiple stacked sheets of cake, held together by frosting or jam, etc. 

  • A type of layering of materials, used in some nuclear bombs. 

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