Wineglasful or Wineglassful: How To spell?
The word Wineglasful is misspelled against Wineglassful, a noun meaning "As much as a wineglass will hold; enough to fill a wineglass. It is usually reckoned at two fluid ounces, or four tablespoonfuls."
Wineglassful has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings winegla & ful which should not be misspelled with single 'S'
Wrong Spelling:  winegla-s-ful  Correct Spelling:  winegla-ss-ful 
Check more misspelled words of Wineglassful to spell it correct.