Deceitfuly or Deceitfully: How To spell?
The word Deceitfuly is misspelled against Deceitfully, an adverb meaning "With intent to deceive."
Deceitfully has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings deceitfu & y which should not be misspelled with single 'L'
Wrong Spelling:  deceitfu-l-y  Correct Spelling:  deceitfu-ll-y 
Check more misspelled words of Deceitfully to spell it correct.