# duper

> English word · Noun · IPA /ˈduː.pə(ɹ)/ · frequency rank #33,629

## Definitions
1. a person who dupes another

## Etymology
From dupe + -er.

## Easily confused with
- **dur** (https://plainspell.com/en/vs/duper-vs-dur)
- **dyer** (https://plainspell.com/en/vs/duper-vs-dyer)
- **Dwyer** (https://plainspell.com/en/vs/duper-vs-dwyer)
- **duvet** (https://plainspell.com/en/vs/duper-vs-duvet)
- **duplex** (https://plainspell.com/en/vs/duper-vs-duplex)
- **duster** (https://plainspell.com/en/vs/duper-vs-duster)
- **due** (https://plainspell.com/en/vs/due-vs-duper)
- **der** (https://plainspell.com/en/vs/der-vs-duper)
- **dup** (https://plainspell.com/en/vs/dup-vs-duper)
- **dude** (https://plainspell.com/en/vs/dude-vs-duper)
- **duke** (https://plainspell.com/en/vs/duke-vs-duper)
- **deer** (https://plainspell.com/en/vs/deer-vs-duper)
- **dope** (https://plainspell.com/en/vs/dope-vs-duper)
- **duel** (https://plainspell.com/en/vs/duel-vs-duper)
- **duet** (https://plainspell.com/en/vs/duet-vs-duper)
- **dues** (https://plainspell.com/en/vs/dues-vs-duper)
- **dune** (https://plainspell.com/en/vs/dune-vs-duper)
- **dupe** (https://plainspell.com/en/vs/dupe-vs-duper)
- **doer** (https://plainspell.com/en/vs/doer-vs-duper)
- **dudes** (https://plainspell.com/en/vs/dudes-vs-duper)

## Common misspellings (7)
`dduper`, `dpuer`, `duepr`, `duperr`, `dupper`, `dupre`, `udper`

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