Mercurialy or Mercurially: How To spell?

The word Mercurialy is misspelled against Mercurially, an adverb meaning "In a mercurial manner."

Mercurially has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings mercuria & y which should not be misspelled with single 'L'
Wrong Spelling:  mercuria-l-y 
Correct Spelling:  mercuria-ll-y 
Check more misspelled words of Mercurially to spell it correct.