The word Eficient is misspelled against Efficient, a noun meaning "An efficient cause; a prime mover."
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Efficient has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings E & icient which should not be misspelled with single 'F'
Wrong Spelling:  E-f-icient 
Correct Spelling:  E-ff-icient 
Find more wrongly spelled words of Efficient to spell it well.