# semi vs sept

> English confusable word pair

## The two words

### semi
*noun · IPA /ˈsɛmi/ · frequency rank #2,965*
A semi-detached house.

### 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.

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