# dilation vs duration

> English confusable word pair

## The two words

### dilation
*noun · IPA /daɪˈleɪʃən/ · frequency rank #33,615*
The act of dilating.

### duration
*noun · IPA /dʒʊˈɹeɪʃn̩/ · frequency rank #5,676*
An amount of time or a particular time interval.

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