# Dec vs Dx

> English confusable word pair

## The two words

### Dec
*name · frequency rank #4,363*
A diminutive of the male given name Declan.

### 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/dec-vs-dx