# decoder

> English word · Noun · IPA /dɪˈkəʊdə(ɹ)/ · frequency rank #35,248

## Definitions
1. A person who decodes secret messages
2. A device that decodes a scrambled electronic signal e.g. of a satellite television signal

## Etymology
From decode + -er.

## Easily confused with
- **decor** (https://plainspell.com/en/vs/decoder-vs-decor)
- **decide** (https://plainspell.com/en/vs/decide-vs-decoder)
- **decade** (https://plainspell.com/en/vs/decade-vs-decoder)
- **decker** (https://plainspell.com/en/vs/decker-vs-decoder)
- **decode** (https://plainspell.com/en/vs/decode-vs-decoder)
- **decided** (https://plainspell.com/en/vs/decided-vs-decoder)
- **decades** (https://plainspell.com/en/vs/decades-vs-decoder)
- **decides** (https://plainspell.com/en/vs/decides-vs-decoder)
- **decider** (https://plainspell.com/en/vs/decider-vs-decoder)

## Common misspellings (10)
`dceoder`, `ddecoder`, `deccoder`, `decdoer`, `decodder`, `decoderr`, `decodre`, `decoedr`, `deocder`, `edcoder`

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