dollop vs nubble

dollop

noun
  • A considerable lump, scoop, or quantity of something, especially soft food. 

verb
  • To apply haphazardly in generous lumps or scoops. 

  • To dole out in a considerable quantity; to drip in a viscous form. 

nubble

noun
  • A small knob or lump. 

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