| Answer | Crossword Clue |
|---|---|
| FERRO | Iron: prefix. |
| FERRI | Iron (prefix) |
| FERRI | Iron: Prefix |
| FERRO | Iron: Prefix |
| SIDERO | Iron: Prefix |
| FERRO | Iron: Prefix. |
| FERRO | Iron prefix |
| FERRO | Iron: prefix |
| FERRO | Iron-indicating prefix |
| FERRI | Iron-containing: Prefix |
| MID | Prefix with iron or rib |
