# sept vs slept

> English confusable word pair

## The two words

### sept
*noun · IPA /sɛpt/ · frequency rank #3,981*
A clan, tribe, or family, proceeding from a common progenitor; especially, one of the ancient clans of Ireland.

### slept
*verb · IPA /slɛpt/ · frequency rank #5,366*
simple past and past participle of sleep

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