Puisant or Puissant: How To spell?
The word Puisant is misspelled against Puissant, meaning "Possessing strength."
Puissant has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings pui & ant which should not be misspelled with single 'S'
Wrong Spelling:  pui-s-ant  Correct Spelling:  pui-ss-ant 
Check more misspelled words of Puissant to spell it correct.