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