dauber vs fretter

dauber

noun
  • One who, or that which, daubs; especially, a coarse, unskillful painter. 

  • A pad or ball of rags, covered with canvas, for inking plates. 

  • The mud wasp; the mud dauber. 

  • A type of thick marker pen used to mark a bingo card. 

fretter

noun
  • One who or that which frets. 

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