# annual vs annum

> English confusable word pair

## The two words

### annual
*adjective · IPA /ˈæn.ju.əl/ · frequency rank #1,211*
Happening once every year.

### 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/annual-vs-annum