babble vs mulga wire

babble

noun
  • Inarticulate speech; constant or confused murmur. 

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

  • Idle talk; senseless prattle 

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. 

mulga wire

noun
  • A message or story transmitted through such an informal network, especially one containing false information. 

  • A system for long-distance communication used by Aboriginal Australians, chiefly using smoke signals; also, a message or signal sent using such a system. 

  • An informal gossip network, especially in a rural area such as the outback; also, a component in the network (either a person or an imagined wire). 

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