DubucvsDupuyWhat's the difference?

Which to use

“Dubuc” and “Dupuy” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#45,560
“Dubuc” frequency rank
#26,698
“Dupuy” frequency rank
72258
confusion score

Side-by-Side Comparison

Feature Dubuc Dupuy
Definition Nom de famille français. Nom de famille.

Where the eye mixes Dubuc and Dupuy

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Dubuc (CVCVC) and Dupuy (CVCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
Dubuc
5 ch
Dupuy

Visual trap between Dubuc and Dupuy

A purely visual mix-up. Dubuc (\dy.byk\) 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 72258, derived from the frequency rank of both members and their visual similarity.

Dubuc is recorded at frequency rank #45,560, classified as aname, pronounced \dy.byk\. 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 72258, this pair ranks #44,632 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Dubuc vs Dupuy

Shared letters: du. Private to "Dubuc": bc. Private to "Dupuy": py.

"Dubuc" · 5 letters · shape CVCVC  ·  "Dupuy" · 5 letters · shape CVCVV

Known mistypes of this pair

  • Dubuc ← dbuuc · ddubuc · dubbuc · dubcu · dubucc · duubc · udbuc
  • Dupuy ← ddupuy · dpuuy · duppuy · dupuyy · dupyu · duupy · udpuy

Frequently Asked Questions

Do "Dubuc" and "Dupuy" mean the same thing in a sentence?
No. They are said differently (\dy.byk\ versus \dy.pɥi\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Dubuc" or "Dupuy"?
"Dupuy" is the more common of the two: it sits at frequency rank #26,698 in our French list, against #45,560 for "Dubuc". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Dubuc" 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 #44,632 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Dubuc" and "Dupuy" also get mixed up with nearby pairs, the highest-scored neighbour is "Dubosc vs Dubuc". 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 #44,632 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list