Which to use
“duché” is a noun and “due” is an adjective - they look or sound alike but fill different roles in a sentence.
- #9,815
- “duché” frequency rank
- #3,838
- “due” frequency rank
- 13653
- confusion score
Side-by-Side Comparison
| Feature | duché | due |
|---|---|---|
| Definition | Seigneurie, principauté à laquelle le titre de duc est attaché. | Féminin singulier de dû. |
Where the eye mixes duché and due
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. duché runs 5 letters (CVCCV) against due's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses duché with due
These two trip readers on the page rather than in the ear: duché is \dy.ʃe\ while due is \dy\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 13653, derived from the frequency rank of both members and their visual similarity.
duché is recorded at frequency rank #9,815, classified as anoun, pronounced \dy.ʃe\. due is at rank #3,838, tagged as anadj, pronounced \dy\.
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 13653, this pair ranks #400,126 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of duché vs due
Shared letters: du. Private to "duché": ché. Private to "due": e.
"duché" · 5 letters · shape CVCCV · "due" · 3 letters · shape CVV
Frequently Asked Questions
Do "duché" and "due" mean the same thing in a sentence?
Frequency check: "duché" vs "due" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "duché" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "due" - compare definitions side by side with the headword page. Word entry
- This pair ranks #400,126 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "duché" and "due" also get mixed up with nearby pairs, the highest-scored neighbour is "dèche vs duché". Nearby pair
Confusion rank #400,126 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.