Glasen or Glassen: How To spell?
The word Glasen is misspelled against Glassen, an adjective meaning "Glassy; glazed."
Glassen has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings gla & en which should not be misspelled with single 'S'
Wrong Spelling:  gla-s-en  Correct Spelling:  gla-ss-en 
Explore spell check of Glassen to spell without errors.