Hasock or Hassock: How To spell?
The word Hasock is misspelled against Hassock, a noun meaning "A rank tuft of bog grass; a tussock."
Hassock has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings ha & ock which should not be misspelled with single 'S'
Wrong Spelling:  ha-s-ock  Correct Spelling:  ha-ss-ock 
Find more incorrect spellings of Hassock to spell right way.