Improvidentialy or Improvidentially: How To spell?
The word Improvidentialy is misspelled against Improvidentially, an adverb meaning "Improvidently."
Improvidentially has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings improvidentia & y which should not be misspelled with single 'L'
Wrong Spelling:  improvidentia-l-y  Correct Spelling:  improvidentia-ll-y 
Find more incorrect spellings of Improvidentially to spell right way.