blazonry vs fresco

blazonry

noun
  • An artistic representation or display. 

  • Blazon. 

  • A coat of arms; an armorial bearing or bearings. 

fresco

noun
  • The technique used to make such an artwork. 

  • A cool, refreshing state of the air; coolness, duskiness, shade. 

  • An artwork made by applying water-based pigment to wet or fresh lime mortar or plaster. 

verb
  • To paint using fresco. 

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