Which to use
“duct” and “dupe” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,330
- “duct” frequency rank
- #37,898
- “dupe” frequency rank
- 51228
- confusion score
Side-by-Side Comparison
| Feature | duct | dupe |
|---|---|---|
| Definition | A pipe, tube or canal which carries gas or liquid from one place to another. | A person who has been deceived. |
Where the eye mixes duct and dupe
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. duct (CVCC) and dupe (CVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses duct with dupe
A purely visual mix-up. duct (/dʌkt/) and dupe (/dʒuːp/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 51228, derived from the frequency rank of both members and their visual similarity.
duct is recorded at frequency rank #13,330, classified as anoun, pronounced /dʌkt/. dupe is at rank #37,898, tagged as anoun, pronounced /dʒuːp/.
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 51228, this pair ranks #167,247 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of duct vs dupe
Shared letters: du. Private to "duct": ct. Private to "dupe": ep.
"duct" · 4 letters · shape CVCC · "dupe" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Do "duct" and "dupe" mean the same thing in a sentence?
In ordinary English text, does "duct" or "dupe" show up more?
After this comparison
Eye-level mix-up between "duct" and "dupe" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "duct" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dupe" - compare definitions side by side with the headword page. Word entry
- This pair ranks #167,247 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "duct" and "dupe" also get mixed up with nearby pairs, the highest-scored neighbour is "Druze vs dupe". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #167,247 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.