# annex vs annum

> English confusable word pair

## The two words

### annex
*noun · IPA /ˈænɛks/ · frequency rank #14,883*
An addition, an extension.

### annum
*noun · frequency rank #21,439*
Synonym of year.

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