# supplement vs supplemental

> English confusable word pair

## The two words

### supplement
*noun · IPA /ˈsʌp.lɪ.mənt/ · frequency rank #6,842*
Something added; especially, such an addition added to make up for a deficiency.

### supplemental
*adjective · IPA /ˌsʌplɪˈmɛntəl/ · frequency rank #15,285*
Acting to supplement.

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