# dup vs dura

> English confusable word pair

## The two words

### dup
*verb · IPA /dʌp/ · frequency rank #28,177*
to open (a door, gate etc.)

### dura
*noun · IPA /ˈdjʊə.ɹə/ · frequency rank #42,109*
Ellipsis of dura mater.

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