# ferrous

> English word · Adjective · IPA /ˈfɛɹəs/ · frequency rank #37,458

## Definitions
1. Of or containing iron.
2. Of compounds of iron in which it has a valence or oxidation number of +2.
3. Of an element: iron, or in certain ways similar to iron. (Said mainly of iron group elements, in any sense of that term.)

## Etymology
From Latin ferrum (“iron”).

## Easily confused with
- **furious** (https://plainspell.com/en/vs/ferrous-vs-furious)
- **fibrous** (https://plainspell.com/en/vs/ferrous-vs-fibrous)
- **fervour** (https://plainspell.com/en/vs/ferrous-vs-fervour)
- **Ferris** (https://plainspell.com/en/vs/ferris-vs-ferrous)
- **Fergus** (https://plainspell.com/en/vs/fergus-vs-ferrous)

## Common misspellings (8)
`efrrous`, `ferorus`, `ferous`, `ferrosu`, `ferrouss`, `ferruos`, `fferrous`, `frerous`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ferrous