Ferotype or Ferrotype: How To spell?

The word Ferotype is misspelled against Ferrotype, a noun meaning "A photographic picture taken on an iron plate by a collodion process; -- familiarly called tintype."

Ferrotype has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings fe & otype which should not be misspelled with single 'R'
Wrong Spelling: fe-r-otype
Correct Spelling: fe-rr-otype
Find more incorrect spellings of Ferrotype to spell right way.