# SLE vs sly

> English confusable word pair

## The two words

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

### sly
*adjective · IPA /slaɪ/ · frequency rank #17,246*
Artfully cunning; secretly mischievous; wily.

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