Glasmaker or Glassmaker: How To spell?
The word Glasmaker is misspelled against Glassmaker, a noun meaning "One who makes, or manufactures, glass."
Glassmaker has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings gla & maker which should not be misspelled with single 'S'
Wrong Spelling:  gla-s-maker  Correct Spelling:  gla-ss-maker 
Explore spell check of Glassmaker to spell without errors.