Coeficiency or Coefficiency: How To spell?

The word Coeficiency is misspelled against Coefficiency, a noun meaning "Joint efficiency; cooperation."

Coefficiency has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Coe & iciency which should not be misspelled with single 'F'
Wrong Spelling:  Coe-f-iciency 
Correct Spelling:  Coe-ff-iciency 
Find more incorrect spellings of Coefficiency to spell right way.

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