Which to use
“dual” is an adjective and “dure” is a noun - they look or sound alike but fill different roles in a sentence.
- #25,623
- “dual” frequency rank
- #1,912
- “dure” frequency rank
- 27535
- confusion score
Side-by-Side Comparison
| Feature | dual | dure |
|---|---|---|
| Definition | Se dit de deux polyèdres réguliers lorsqu’on obtient l’un en échangeant les faces et sommets de l’autre. | Femme pleine de dureté, insensible ou très sévère. |
Where the eye mixes dual and dure
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses dual with dure
These two trip readers on the page rather than in the ear: dual is \dɥal\ while dure is \dyʁ\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 27535, derived from the frequency rank of both members and their visual similarity.
dual is recorded at frequency rank #25,623, classified as anadj, pronounced \dɥal\. dure is at rank #1,912, tagged as anoun, pronounced \dyʁ\.
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 27535, this pair ranks #328,353 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of dual vs dure
Shared letters: du. Private to "dual": al. Private to "dure": er.
"dual" · 4 letters · shape CVVC · "dure" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "dual" for "dure" ever safe?
In ordinary French text, does "dual" or "dure" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "dual" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dure" - compare definitions side by side with the headword page. Word entry
- This pair ranks #328,353 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "dual" and "dure" also get mixed up with nearby pairs, the highest-scored neighbour is "dray vs dual". 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 #328,353 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.