# dup vs Dx

> English confusable word pair

## The two words

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

### Dx
*noun · frequency rank #21,193*
Abbreviation of diagnosis.

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