# de vs dup

> English confusable word pair

## The two words

### de
*noun · IPA /ˈdɛ/ · frequency rank #582*
The name of the Cyrillic script letter Д / д.

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

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