Mispend or Misspend: How To spell?
The word Mispend is misspelled against Misspend, a verb meaning "To spend amiss or for wrong purposes; to aquander; to waste; as, to misspend time or money."
Misspend has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings mi & pend which should not be misspelled with single 'S'
Wrong Spelling:  mi-s-pend  Correct Spelling:  mi-ss-pend 
Find more wrongly spelled words of Misspend to spell it well.