Mesaly or Mesally: How To spell?

The word Mesaly is misspelled against Mesally, an adverb meaning "Same as Mesially."

Mesally has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings mesa & y which should not be misspelled with single 'L'
Wrong Spelling:  mesa-l-y 
Correct Spelling:  mesa-ll-y 
Explore spell check of Mesally to spell without errors.