blabber vs blatter

blabber

noun
  • A person who blabs; a tattler; a telltale. 

verb
  • To blather; to talk foolishly or incoherently. 

  • To blab; to reveal a secret. 

blatter

noun
  • Blather; foolish talk. 

  • A sound of rapid motion. 

  • A hard battering of rain. 

verb
  • To blather. 

  • To hurry or rush noisily. 

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