Which to use
“duo” is a noun and “dur” is an adjective - they look or sound alike but fill different roles in a sentence.
- #6,234
- “duo” frequency rank
- #39,793
- “dur” frequency rank
- 46027
- confusion score
Side-by-Side Comparison
| Feature | duo | dur |
|---|---|---|
| Definition | Two people who work or collaborate together as partners; especially | Major; in the major mode. |
Where the eye mixes duo 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: duo is /ˈdjuː.əʊ/ while dur is /duːɹ/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - o in “duo” becomes r in “dur”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 46027, derived from the frequency rank of both members and their visual similarity.
duo is recorded at frequency rank #6,234, classified as anoun, pronounced /ˈdjuː.əʊ/. dur is at rank #39,793, tagged as anadj, pronounced /duːɹ/.
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 46027, this pair ranks #215,687 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of duo vs dur
Shared letters: du. Private to "duo": o. Private to "dur": r.
"duo" · 3 letters · shape CVV · "dur" · 3 letters · shape CVC
Frequently Asked Questions
Can "duo" and "dur" be used interchangeably?
Which is more common, "duo" or "dur"?
What to do next
You've compared "duo" and "dur". Here's where to go from here.
- Full dictionary entry for "duo" 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 #215,687 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "duo" and "dur" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs dur". Nearby pair
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.