Differentialy or Differentially: How To spell?

The word Differentialy is misspelled against Differentially, an adverb meaning "In the way of differentiation."

Differentially has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings differentia & y which should not be misspelled with single 'L'
Wrong Spelling:  differentia-l-y 
Correct Spelling:  differentia-ll-y 
Find more wrongly spelled words of Differentially to spell it well.