# SLE vs SQL

> English confusable word pair

## The two words

### SLE
*noun · frequency rank #48,486*
Initialism of systemic lupus erythematosus.

### SQL
*noun · IPA /ɛs kjuː ɛl/ · frequency rank #17,725*
Initialism of Structured Query Language.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/sle-vs-sql