cackle vs titter

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. 

titter

noun
  • A nervous or somewhat repressed giggle. 

  • A woman's breast. 

verb
  • To laugh or giggle in a somewhat subdued or restrained way, as from nervousness or poorly-suppressed amusement. 

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