# rusting

> English word · Noun · frequency rank #40,882

## Definitions
1. The development of rust on a surface.
2. The phenomenon where the fur of a black cat develops a brown colour when exposed to sunlight.

## Easily confused with
- **rustling** (https://plainspell.com/en/vs/rusting-vs-rustling)
- **rising** (https://plainspell.com/en/vs/rising-vs-rusting)
- **rating** (https://plainspell.com/en/vs/rating-vs-rusting)
- **ruling** (https://plainspell.com/en/vs/ruling-vs-rusting)
- **rustic** (https://plainspell.com/en/vs/rustic-vs-rusting)
- **running** (https://plainspell.com/en/vs/running-vs-rusting)
- **rushing** (https://plainspell.com/en/vs/rushing-vs-rusting)
- **resting** (https://plainspell.com/en/vs/resting-vs-rusting)
- **rubbing** (https://plainspell.com/en/vs/rubbing-vs-rusting)
- **renting** (https://plainspell.com/en/vs/renting-vs-rusting)
- **risking** (https://plainspell.com/en/vs/risking-vs-rusting)
- **rooting** (https://plainspell.com/en/vs/rooting-vs-rusting)
- **routing** (https://plainspell.com/en/vs/routing-vs-rusting)
- **rotting** (https://plainspell.com/en/vs/rotting-vs-rusting)
- **ranting** (https://plainspell.com/en/vs/ranting-vs-rusting)
- **rousing** (https://plainspell.com/en/vs/rousing-vs-rusting)
- **rafting** (https://plainspell.com/en/vs/rafting-vs-rusting)
- **reusing** (https://plainspell.com/en/vs/reusing-vs-rusting)
- **roasting** (https://plainspell.com/en/vs/roasting-vs-rusting)

## Common misspellings (11)
`rrusting`, `rsuting`, `rusitng`, `russting`, `rustign`, `rustingg`, `rustinng`, `rustnig`, `rustting`, `rutsing`, `ursting`

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