cockervscoderWhich spelling fits?

Which to use

“cocker” and “coder” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#36,492
“cocker” frequency rank
#42,066
“coder” frequency rank
78558
confusion score

Side-by-Side Comparison

Feature cocker coder
Definition One who breeds gamecocks or engages in the sport of cockfighting. A device that generates a code, often as a series of pulses.

Letter map: cocker vs coder

Shared letters muted; letters that set cocker and coder apart highlighted. Shared run: 4.

6 ch
cocker
5 ch
coder

Spelling & dictionary notes on cocker vs coder

cocker and coder are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 78558, derived from the frequency rank of both members and their visual similarity.

cocker is recorded at frequency rank #36,492, classified as anoun, pronounced /ˈkɒkə/. coder is at rank #42,066, tagged as anoun.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 78558, this pair ranks #24,302 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of cocker vs coder

Shared letters: ceor. Private to "cocker": k. Private to "coder": d.

"cocker" · 6 letters · shape CVCCVC  ·  "coder" · 5 letters · shape CVCVC

Known mistypes of this pair

  • cockerccocker · ccoker · coccker · cocekr · cockerr · cockker · cockre · cokcer
  • coderccoder · cdoer · codder · coderr · codre · coedr · ocder

Frequently Asked Questions

Is swapping "cocker" for "coder" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "cocker" vs "coder" - which ranks higher?
"cocker" is the more common of the two: it sits at frequency rank #36,492 in our English list, against #42,066 for "coder". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "cocker" and "coder".

  • Full dictionary entry for "cocker" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "coder" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,302 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cocker" and "coder" also get mixed up with nearby pairs, the highest-scored neighbour is "coder vs cower". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #24,302 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list