gourd vs jack-o'-lantern

gourd

noun
  • The dried and hardened shell of such fruit, made into a drinking vessel, bowl, spoon, or other objects designed for use or decoration. 

  • Any of the trailing or climbing vines producing fruit with a hard rind or shell, from the genera Lagenaria and Cucurbita (in Cucurbitaceae). 

  • A hard-shelled fruit from a plant in Lagenaria or Cucurbita. 

  • loaded dice. 

  • Head. 

jack-o'-lantern

noun
  • A similar item made from a turnip 

  • A carved pumpkin whose top and stem have been cut out and interior removed, leaving a hollow shell that is then decorated to represent a face, illuminated from within by a candle. It is a symbol of Halloween. 

How often have the words gourd and jack-o'-lantern occurred in a corpus of books? (source: Google Ngram Viewer )