# supra vs sure

> English confusable word pair

## The two words

### supra
*adverb · frequency rank #26,272*
Used to indicate that the current citation is from a source cited earlier in the text.

### sure
*adjective · IPA /ʃɔː(ɹ)/ · frequency rank #202*
Physically secure and certain, non-failing, reliable.

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