ceramics vs glazing

ceramics

noun
  • The art or science of making ceramic objects. 

  • Ceramic objects as a group. 

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. 

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