glazing vs scumble

glazing

noun
  • The material used in such act or process; glaze. 

  • The act or process of glazing or an instance thereof. 

  • All the windows of a building. 

  • The art of covering with a vitreous substance. 

  • The part of a window or wall made of glass or another transparent material. 

  • Semi-transparent colours painted thinly over others to modify the effect. 

scumble

noun
  • An opaque kind of glaze (layer of paint). 

verb
  • To apply an opaque glaze to an area of a painting to make it softer or duller. 

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