Diferencing or Differencing: How To spell?

The word Diferencing is misspelled against Differencing, which is present continuous of "Difference"

Differencing has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Di & erencing which should not be misspelled with single 'F'
Wrong Spelling:  Di-f-erencing 
Correct Spelling:  Di-ff-erencing 
Find more wrongly spelled words of Differencing to spell it well.

You might be interested to know

Difusively or Diffusively?

Efeminacies or Effeminacies?

Efluvium or Effluvium?