Puisantly or Puissantly: How To spell?
The word Puisantly is misspelled against Puissantly, an adverb meaning "In a puissant manner; powerfully; with great strength."
Puissantly has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings pui & antly which should not be misspelled with single 'S'
Wrong Spelling:  pui-s-antly  Correct Spelling:  pui-ss-antly 
Check more misspelled words of Puissantly to spell it correct.