Which to use
“du” is an article and “dur” is an adjective - they look or sound alike but fill different roles in a sentence.
- #17
- “du” frequency rank
- #940
- “dur” frequency rank
- 957
- confusion score
Side-by-Side Comparison
| Feature | du | dur |
|---|---|---|
| Definition | Une quantité indéfinie de. Note d’usage : Utilisé avec un nom indénombrable. | Ferme ; difficile à pénétrer ou à entamer. |
Where the eye mixes du and dur
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: du is \dy\ while dur is \dyʁ\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “du” sits inside “dur”, and the parts of speech differ too (article vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 957, derived from the frequency rank of both members and their visual similarity.
du is recorded at frequency rank #17, classified as anarticle, pronounced \dy\. dur is at rank #940, tagged as anadj, 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 957, this pair ranks #438,854 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of du vs dur
Shared letters: du. Private to "du": -. Private to "dur": r.
"du" · 2 letters · shape CV · "dur" · 3 letters · shape CVC
Frequently Asked Questions
Can "du" and "dur" be used interchangeably?
Which is more common, "du" or "dur"?
What to do next
You've compared "du" and "dur". Here's where to go from here.
- Full dictionary entry for "du" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dur" - compare definitions side by side with the headword page. Word entry
- This pair ranks #438,854 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "du" and "dur" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs dur". Nearby pair
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.