gallous vs gibbet

gallous

adj
  • fit to be hanged; wicked; mischievous 

gibbet

verb
  • To expose (someone) to ridicule or scorn. 

  • To execute (someone), or display (a body), on a gibbet. 

noun
  • An upright post with a crosspiece used for execution and subsequent public display. 

  • The projecting arm of a crane, from which the load is suspended; the jib. 

  • A human-shaped structure made of iron bands designed to publicly display the corpse of an executed criminal. 

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