babble vs blather

babble

noun
  • Idle talk; senseless prattle 

  • A sound like that of water gently flowing around obstructions. 

  • Inarticulate speech; constant or confused murmur. 

verb
  • To utter in an indistinct or incoherent way; to repeat words or sounds in a childish way without understanding. 

  • To reveal; to give away (a secret). 

  • To utter words indistinctly or unintelligibly; to utter inarticulate sounds 

  • To talk incoherently; to utter meaningless words. 

  • To talk too much; to chatter; to prattle. 

  • To make a continuous murmuring noise, like shallow water running over stones. 

blather

noun
  • Nonsensical or foolish talk. 

verb
  • To say (something foolish or nonsensical); to say (something) in a foolish or overly verbose way. 

  • To talk rapidly without making much sense. 

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