daub vs tempera

daub

noun
  • A crude or amateurish painting. 

  • Excrement or clay used as a bonding material in construction. 

  • A soft coating of mud, plaster, etc. 

verb
  • To apply (something) to a surface in hasty or crude strokes. 

  • To paint (a picture, etc.) in a coarse or unskilful manner. 

tempera

noun
  • A painting done in this medium. 

  • A medium used to bind pigments in painting, as well as the associated artistic techniques. 

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