# promise vs proviso

> English confusable word pair

## The two words

### promise
*noun · IPA /ˈpɹɒmɪs/ · frequency rank #2,009*
An oath or affirmation; a vow.

### proviso
*noun · IPA /pɹəˈvaɪzoʊ/ · frequency rank #45,016*
A conditional provision to an agreement.

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