calabash vs jack-o'-lantern

calabash

noun
  • A calabash and its contents; as much as fills such a container. 

  • The bottle gourd (calabash vine, Lagenaria siceraria), believed to have originated in Africa, which is grown for its fruit that are used as a vegetable and to make containers (sense 3); the fruit of this plant. 

  • A tree (known as the calabash tree; Crescentia cujete) native to Central and South America, the West Indies, and southern Florida, bearing large, round fruit used to make containers (sense 3); the fruit of this tree. 

  • A container made from the mature, dried shell of the fruit of one of the above plants; also, a similarly shaped container made from some other material. 

  • A musical instrument, most commonly a drum or rattle, made from a calabash fruit. 

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 calabash and jack-o'-lantern occurred in a corpus of books? (source: Google Ngram Viewer )