Hourglas or Hourglass: How To spell?
The word Hourglas is misspelled against Hourglass, a noun meaning "An instrument for measuring time, especially the interval of an hour. It consists of a glass vessel having two compartments, from the uppermost of which a quantity of sand, water, or mercury occupies an hour in running through a small aperture unto the lower."
Hourglass has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  hourgla-s  Correct Spelling:  hourgla-ss 
Check more misspelled words of Hourglass to spell it correct.