blither vs slabber

blither

verb
  • to talk foolishly; to blather 

slabber

verb
  • To let saliva or other liquid fall from the mouth carelessly; drivel; slaver. 

  • To cover, as with a liquid spill; soil; befoul. 

  • To wet and befoul by liquids falling carelessly from the mouth; slaver; slobber. 

  • To eat hastily or in a slovenly manner, as liquid food. 

noun
  • A saw for cutting slabs from logs. 

  • A slabbing machine. 

  • Moisture falling from the mouth; slaver. 

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