# sustainable vs sustainably

> English confusable word pair

## The two words

### sustainable
*adjective · IPA /səˈsteɪnəbəl/ · frequency rank #5,271*
Able to be sustained.

### sustainably
*adverb · IPA /səˈsteɪ.nə.bli/ · frequency rank #42,929*
In a sustainable manner.

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