dudsvsdupeTell them apart

Which to use

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

#39,792
“duds” frequency rank
#37,898
“dupe” frequency rank
77690
confusion score

Side-by-Side Comparison

Feature duds dupe
Definition plural of dud A person who has been deceived.

Where the eye mixes duds and dupe

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. duds (CVCC) and dupe (CVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
duds
4 ch
dupe

Why the eye confuses duds with dupe

A purely visual mix-up. duds (/dʌdz/) 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 77690, derived from the frequency rank of both members and their visual similarity.

duds is recorded at frequency rank #39,792, classified as anoun, pronounced /dʌdz/. 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 77690, this pair ranks #26,578 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of duds vs dupe

Shared letters: du. Private to "duds": s. Private to "dupe": ep.

"duds" · 4 letters · shape CVCC  ·  "dupe" · 4 letters · shape CVCV

Known mistypes of this pair

  • duds ← dduds · ddus · dudds · dudss · dusd · udds
  • dupe ← ddupe · dpue · duep · duppe · udpe

Frequently Asked Questions

Is swapping "duds" for "dupe" ever safe?
No. They are said differently (/dʌdz/ versus /dʒuːp/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "duds" vs "dupe" - which ranks higher?
"dupe" is the more common of the two: it sits at frequency rank #37,898 in our English list, against #39,792 for "duds". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "duds" and "dupe" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "duds" 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 #26,578 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "duds" and "dupe" also get mixed up with nearby pairs, the highest-scored neighbour is "dabs vs duds". 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 #26,578 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list