Mechanicaly or Mechanically: How To spell?
The word Mechanicaly is misspelled against Mechanically, an adverb meaning "In a mechanical manner."
Mechanically has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings mechanica & y which should not be misspelled with single 'L'
Wrong Spelling:  mechanica-l-y  Correct Spelling:  mechanica-ll-y 
Find more wrongly spelled words of Mechanically to spell it well.