Ineficiently or Inefficiently: How To spell?
The word Ineficiently is misspelled against Inefficiently, an adverb meaning "In an inefficient manner."
Inefficiently has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Ine & iciently which should not be misspelled with single 'F'
Wrong Spelling:  Ine-f-iciently  Correct Spelling:  Ine-ff-iciently 
Find more wrongly spelled words of Inefficiently to spell it well.