Fereous or Ferreous: How To spell?
The word Fereous is misspelled against Ferreous, an adjective meaning "Partaking of, made of, or pertaining to, iron; like iron."
Ferreous has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings fe & eous which should not be misspelled with single 'R'
Wrong Spelling:  fe-r-eous  Correct Spelling:  fe-rr-eous 
Check more misspelled words of Ferreous to spell it correct.