boff vs cackle

boff

noun
  • A big laugh. 

  • A great success; a hit. 

  • A pupil who works hard; a swot. 

  • A line in a film etc that elicits such a laugh. 

  • A hit or smack. 

verb
  • to have sexual intercourse (with someone) 

  • To hit; to strike. 

cackle

noun
  • A laugh resembling the cry of a hen or goose. 

  • The cry of a hen or goose, especially when laying an egg. 

  • Futile or excessively noisy talk. 

  • A group of hyenas. 

verb
  • To laugh with a broken sound similar to a hen's cry. 

  • To pretend to rattle (dice) in one's hand while gripping them so that they maintain their orientation. 

  • To talk in a silly manner; to prattle. 

  • To make a sharp, broken noise or cry, as a hen or goose does. 

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