Fisure or Fissure: How To spell?
The word Fisure is misspelled against Fissure, a noun meaning "A narrow opening, made by the parting of any substance; a cleft; as, the fissure of a rock."
Fissure has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings fi & ure which should not be misspelled with single 'S'
Wrong Spelling:  fi-s-ure  Correct Spelling:  fi-ss-ure 
Check more misspelled words of Fissure to spell it correct.