Coeficient or Coefficient: How To spell?
The word Coeficient is misspelled against Coefficient, a noun meaning "A number or letter put before a letter or quantity, known or unknown, to show how many times the latter is to be taken; as, 6x; bx; here 6 and b are coefficients of x."
Coefficient has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Coe & icient which should not be misspelled with single 'F'
Wrong Spelling:  Coe-f-icient  Correct Spelling:  Coe-ff-icient 
Find more incorrect spellings of Coefficient to spell right way.