Magisterialy or Magisterially: How To spell?

The word Magisterialy is misspelled against Magisterially, an adverb meaning "In a magisterial manner."

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