glassen vs glazy

glassen

adj
  • Resembling glass; glassy; glazed. 

  • Made of or consisting of glass. 

verb
  • To coat or cover (e.g. pottery, etc.) with glaze; make glassy. 

glazy

adj
  • Having the appearance of a glaze; glazed. 

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