gab vs maunder

gab

verb
  • To talk or chatter a lot, usually on trivial subjects. 

noun
  • The mouth or gob. 

  • Idle chatter. 

  • One of the open-forked ends of rods controlling reversing in early steam engines. 

maunder

verb
  • To speak in a disorganized or desultory manner; to babble or prattle. 

  • To wander or walk aimlessly. 

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