Dificulties or Difficulties: How To spell?
The word Dificulties is misspelled against Difficulties, which is plural of "Difficulty"
Difficulties has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Di & iculties which should not be misspelled with single 'F'
Wrong Spelling:  Di-f-iculties  Correct Spelling:  Di-ff-iculties 
Check more misspelled words of Difficulties to spell it correct.