Which to use
“deux” is an adjective and “duc” is a noun - they look or sound alike but fill different roles in a sentence.
- #71
- “deux” frequency rank
- #2,118
- “duc” frequency rank
- 2189
- confusion score
Side-by-Side Comparison
| Feature | deux | duc |
|---|---|---|
| Definition | Un plus un. | Titre qui était le plus élevé parmi l’ancienne noblesse de France et de quelques autres États. |
Where the eye mixes deux and duc
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: deux is \dø\ while duc is \dyk\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 2189, derived from the frequency rank of both members and their visual similarity.
deux is recorded at frequency rank #71, classified as anadj, pronounced \dø\. duc is at rank #2,118, tagged as anoun, pronounced \dyk\.
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 2189, this pair ranks #436,612 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of deux vs duc
Shared letters: du. Private to "deux": ex. Private to "duc": c.
"deux" · 4 letters · shape CVVC · "duc" · 3 letters · shape CVC
Known mistypes of this pair
- deux ← ddeux · deuxx · dexu · duex · edux