Penitentialy or Penitentially: How To spell?
The word Penitentialy is misspelled against Penitentially, an adverb meaning "In a penitential manner."
Penitentially has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings penitentia & y which should not be misspelled with single 'L'
Wrong Spelling:  penitentia-l-y  Correct Spelling:  penitentia-ll-y 
Find more wrongly spelled words of Penitentially to spell it well.