Which to use
“dua” is a noun and “dup” is a verb - they look or sound alike but fill different roles in a sentence.
- #41,094
- “dua” frequency rank
- #28,177
- “dup” frequency rank
- 69271
- confusion score
Side-by-Side Comparison
| Feature | dua | dup |
|---|---|---|
| Definition | Alternative spelling of du'a'. | to open (a door, gate etc.) |
Letter map: dua vs dup
Shared letters muted; letters that set dua and dup apart highlighted. Shared run: 2.
Role in the sentence - dua and dup
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dua is anoun and dupaverb. On the page they differ by a single letter - a in “dua” becomes p in “dup”. Our composite confusion score for this pair is 69271, derived from the frequency rank of both members and their visual similarity.
dua is recorded at frequency rank #41,094, classified as anoun. dup is at rank #28,177, tagged as averb, pronounced /dʌp/.
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 69271, this pair ranks #55,296 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of dua vs dup
Shared letters: du. Private to "dua": a. Private to "dup": p.
"dua" · 3 letters · shape CVV · "dup" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "dua" for "dup" ever safe?
In ordinary English text, does "dua" or "dup" show up more?
What to do next
You've compared "dua" and "dup". Here's where to go from here.
- Full dictionary entry for "dua" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dup" - compare definitions side by side with the headword page. Word entry
- This pair ranks #55,296 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "dua" and "dup" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs dua". Nearby pair
Confusion rank #55,296 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.