dua vs dud, What's the Difference?

Which to use

“dua” and “dud” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#41,094
“dua” frequency rank: #29,251
“dud” frequency rank: 70345
confusion score

Side-by-Side Comparison

Feature	dua	dud
Definition	Alternative spelling of du'a'.	A device or machine that is useless because it does not work properly or has failed to work, such as a bomb, or explosive projectile.

Letter map: dua vs dud

Shared letters muted; letters that set dua and dud apart highlighted. Shared run: 2.

3 ch

dua

3 ch

dud

Corpus notes: dua and dud

dua and dud are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - a in “dua” becomes d in “dud”. Our composite confusion score for this pair is 70345, derived from the frequency rank of both members and their visual similarity.

dua is recorded at frequency rank #41,094, classified as anoun. dud is at rank #29,251, tagged as anoun, pronounced /dʌd/.

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 70345, this pair ranks #50,944 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of dua vs dud

Shared letters: du. Private to "dua": a. Private to "dud": -.

"dua" · 3 letters · shape CVV · "dud" · 3 letters · shape CVC

Frequently Asked Questions

Do "dua" and "dud" mean the same thing in a sentence?

No. They differ by a single letter - a in “dua” becomes d in “dud”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Which is more common, "dua" or "dud"?

"dud" is the more common of the two: it sits at frequency rank #29,251 in our English list, against #41,094 for "dua". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "dua" and "dud". Here's where to go from here.

Full dictionary entry for "dua" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "dud" - compare definitions side by side with the headword page. Word entry
This pair ranks #50,944 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"dua" and "dud" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs dua". Nearby pair

Confusion rank #50,944 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.