# sum vs sure

> Spanish confusable word pair

## The two words

### sum
*noun · IPA [sʌm] · frequency rank #27,789*
Suma, adición.

### sure
*adjective · IPA /ʃʊə/ (fusión pour–poor) · frequency rank #42,717*
Seguro, convencido.

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