What is the correct spelling for FERR4O-?

If you are trying to correct the misspelling "ferr4o-", there are a few potential suggestions. The correct word you may be looking for could be "ferro-", referring to a chemical element. Alternatively, it could be a typo for "ferroso-", which means "ferrous" in Spanish. Double-check the intended term for clarity!

Correct spellings for FERR4O-