Which to use
“du” is an article and “dupe” is a noun - they look or sound alike but fill different roles in a sentence.
- #17
- “du” frequency rank
- #18,992
- “dupe” frequency rank
- 19009
- confusion score
Side-by-Side Comparison
| Feature | du | dupe |
|---|---|---|
| Definition | Une quantité indéfinie de. Note d’usage : Utilisé avec un nom indénombrable. | Celui, celle qui a été trompé, ou qui est facile à tromper. |
Where the eye mixes du and dupe
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 dupe is \dyp\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “du” sits inside “dupe”, and the parts of speech differ too (article vs noun), which is usually the fastest check. Our composite confusion score for this pair is 19009, derived from the frequency rank of both members and their visual similarity.
du is recorded at frequency rank #17, classified as anarticle, pronounced \dy\. dupe is at rank #18,992, tagged as anoun, pronounced \dyp\.
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 19009, this pair ranks #375,491 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of du vs dupe
Shared letters: du. Private to "du": -. Private to "dupe": ep.
"du" · 2 letters · shape CV · "dupe" · 4 letters · shape CVCV
Known mistypes of this pair
- dupe ← ddupe · dpue · duep · duppe · udpe