Which to use
“Dupin” and “Dupuy” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #37,768
- “Dupin” frequency rank
- #26,698
- “Dupuy” frequency rank
- 64466
- confusion score
Side-by-Side Comparison
| Feature | Dupin | Dupuy |
|---|---|---|
| Definition | Nom de famille. | Nom de famille. |
Where the eye mixes Dupin and Dupuy
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Dupin (CVCVC) and Dupuy (CVCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses Dupin with Dupuy
A purely visual mix-up. Dupin (\dy.pɛ̃\) and Dupuy (\dy.pɥi\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 64466, derived from the frequency rank of both members and their visual similarity.
Dupin is recorded at frequency rank #37,768, classified as aname, pronounced \dy.pɛ̃\. Dupuy is at rank #26,698, tagged as aname, pronounced \dy.pɥi\.
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 64466, this pair ranks #76,962 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of Dupin vs Dupuy
Shared letters: dpu. Private to "Dupin": in. Private to "Dupuy": y.
"Dupin" · 5 letters · shape CVCVC · "Dupuy" · 5 letters · shape CVCVV
Known mistypes of this pair
Frequently Asked Questions
Can "Dupin" and "Dupuy" be used interchangeably?
Frequency check: "Dupin" vs "Dupuy" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "Dupin" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Dupuy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #76,962 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Dupin" and "Dupuy" also get mixed up with nearby pairs, the highest-scored neighbour is "ducon vs Dupin". 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 #76,962 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.