Insuficiency or Insufficiency: How To spell?
The word Insuficiency is misspelled against Insufficiency, a noun meaning "The quality or state of being insufficient; want of sufficiency; deficiency; inadequateness; as, the insufficiency of provisions, of an excuse, etc."
Insufficiency has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Insu & iciency which should not be misspelled with single 'F'
Wrong Spelling:  Insu-f-iciency  Correct Spelling:  Insu-ff-iciency 
Check more misspelled words of Insufficiency to spell it correct.