Sexennialy or Sexennially: How To spell?

The word Sexennialy is misspelled against Sexennially, an adverb meaning "Once in six years."

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