Fericyanide or Ferricyanide: How To spell?
The word Fericyanide is misspelled against Ferricyanide, a noun meaning "One of a complex series of double cyanides of ferric iron and some other base."
Ferricyanide has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings fe & icyanide which should not be misspelled with single 'R'
Wrong Spelling:  fe-r-icyanide  Correct Spelling:  fe-rr-icyanide 
Find more wrongly spelled words of Ferricyanide to spell it well.