Which to use
“kidder” and “kidney” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #48,308
- “kidder” frequency rank
- #6,802
- “kidney” frequency rank
- 55110
- confusion score
Side-by-Side Comparison
| Feature | kidder | kidney |
|---|---|---|
| Definition | One who kids, or teases light-heartedly. | An organ in the body that filters the blood, producing urine. |
Letter map: kidder vs kidney
Shared letters muted; letters that set kidder and kidney apart highlighted. Shared run: 4. kidder (CVCCVC) and kidney (CVCCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Corpus notes: kidder and kidney
kidder and kidney 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 55110, derived from the frequency rank of both members and their visual similarity.
kidder is recorded at frequency rank #48,308, classified as anoun. kidney is at rank #6,802, tagged as anoun, pronounced /ˈkɪdni/.
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 55110, this pair ranks #136,113 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of kidder vs kidney
Shared letters: deik. Private to "kidder": r. Private to "kidney": ny.
"kidder" · 6 letters · shape CVCCVC · "kidney" · 6 letters · shape CVCCVV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "kidder" for "kidney" ever safe?
In ordinary English text, does "kidder" or "kidney" show up more?
Useful next steps
You've compared "kidder" and "kidney". Here's where to go from here.
- Full dictionary entry for "kidder" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "kidney" - compare definitions side by side with the headword page. Word entry
- This pair ranks #136,113 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "kidder" and "kidney" also get mixed up with nearby pairs, the highest-scored neighbour is "kidder vs Kimber". 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 #136,113 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.