maunder vs nonplus

maunder

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

  • To wander or walk aimlessly. 

nonplus

verb
  • To bewilder or perplex (someone); to confound, to flummox. 

noun
  • A state of bewilderment or perplexity. 

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