Dreadfuly or Dreadfully: How To spell?

The word Dreadfuly is misspelled against Dreadfully, an adverb meaning "In a dreadful manner; terribly."

Dreadfully has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings dreadfu & y which should not be misspelled with single 'L'
Wrong Spelling:  dreadfu-l-y 
Correct Spelling:  dreadfu-ll-y 
Check more misspelled words of Dreadfully to spell it correct.