What is the correct spelling for FE4RRO-?

If you've mistakenly written "fe4rro-" instead of "ferro-", fear not, as there are several correct suggestions to rectify the error. "Ferro-" refers to iron-based compounds and can be accurately spelled as "ferro-", "ferr-" or "ferru-". Remember to double-check your spelling to ensure accurate communication.

Correct spellings for FE4RRO-