gourd vs noggin

gourd

noun
  • Head. 

  • 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. 

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

  • loaded dice. 

noggin

noun
  • The head. 

  • A signalling molecule involved in embryo development, producing large heads at high concentrations. 

  • A small measure of spirits equivalent to a gill. 

  • A small mug, cup or ladle; the contents of such a container. 

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