Which to use
“coder” and “cotter” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #42,066
- “coder” frequency rank
- #37,401
- “cotter” frequency rank
- 79467
- confusion score
Side-by-Side Comparison
| Feature | coder | cotter |
|---|---|---|
| Definition | A device that generates a code, often as a series of pulses. | A pin or wedge inserted through a slot to hold machine parts together. |
Letter map: coder vs cotter
Shared letters muted; letters that set coder and cotter apart highlighted. Shared run: 4.
Corpus notes: coder and cotter
coder and cotter 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 79467, derived from the frequency rank of both members and their visual similarity.
coder is recorded at frequency rank #42,066, classified as anoun. cotter is at rank #37,401, tagged as anoun, pronounced /kɒtə/.
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 79467, this pair ranks #21,995 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of coder vs cotter
Shared letters: ceor. Private to "coder": d. Private to "cotter": t.
"coder" · 5 letters · shape CVCVC · "cotter" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "coder" for "cotter" ever safe?
Which is more common, "coder" or "cotter"?
After this comparison
Pair "coder" vs "cotter" is on the table, pick a follow-up below.
- Full dictionary entry for "coder" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cotter" - compare definitions side by side with the headword page. Word entry
- This pair ranks #21,995 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "coder" and "cotter" 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 #21,995 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.