DufresnevsDuquesneWhich spelling fits?

Which to use

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

#30,136
“Dufresne” frequency rank
#45,563
“Duquesne” frequency rank
75699
confusion score

Side-by-Side Comparison

Feature Dufresne Duquesne
Definition Nom de famille. Nom de famille.

Where the eye mixes Dufresne and Duquesne

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. Dufresne (CVCCVCCV) and Duquesne (CVCVVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

8 ch
Dufresne
8 ch
Duquesne

Visual trap between Dufresne and Duquesne

A purely visual mix-up. Dufresne (\dy.fʁɛn\) and Duquesne (\dy.kɛn\) 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 75699, derived from the frequency rank of both members and their visual similarity.

Dufresne is recorded at frequency rank #30,136, classified as aname, pronounced \dy.fʁɛn\. Duquesne is at rank #45,563, tagged as aname, pronounced \dy.kɛn\.

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 75699, this pair ranks #33,274 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Dufresne vs Duquesne

Shared letters: densu. Private to "Dufresne": fr. Private to "Duquesne": q.

"Dufresne" · 8 letters · shape CVCCVCCV  ·  "Duquesne" · 8 letters · shape CVCVVCCV

Known mistypes of this pair

  • Dufresne ← ddufresne · dfuresne · dufersne · duffresne · dufrense · dufresen · dufresnne · dufressne
  • Duquesne ← dduquesne · dquuesne · duqeusne · duqquesne · duquense · duquesen · duquesnne · duquessne

Frequently Asked Questions

Can "Dufresne" and "Duquesne" be used interchangeably?
No. They are said differently (\dy.fʁɛn\ versus \dy.kɛn\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Dufresne" vs "Duquesne" - which ranks higher?
"Dufresne" is the more common of the two: it sits at frequency rank #30,136 in our French list, against #45,563 for "Duquesne". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Dufresne" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Duquesne" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #33,274 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Dufresne" and "Duquesne" also get mixed up with nearby pairs, the highest-scored neighbour is "Duchesne vs Duquesne". 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 #33,274 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