# festering vs filtering

> English confusable word pair

## The two words

### festering
*noun · frequency rank #42,131*
The condition of something that festers.

### filtering
*noun · frequency rank #13,717*
The process of passing something through a filter.

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