blather vs prate

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. 

prate

noun
  • Talk to little purpose; trifling talk; unmeaningful loquacity. 

verb
  • To talk much and to little purpose; to be loquacious; to speak foolishly. 

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