Ferreto or Ferretto: How To spell?

The word Ferreto is misspelled against Ferretto, a noun meaning "Copper sulphide, used to color glass."

Ferretto has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings ferre & o which should not be misspelled with single 'T'
Wrong Spelling:  ferre-t-o 
Correct Spelling:  ferre-tt-o 
Find more incorrect spellings of Ferretto to spell right way.

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