# duper vs dur

> English confusable word pair

## The two words

### duper
*noun · IPA /ˈduː.pə(ɹ)/ · frequency rank #33,629*
a person who dupes another

### dur
*adjective · IPA /duːɹ/ · frequency rank #39,793*
Major; in the major mode.

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