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