dualvsduckWhich spelling fits?

Quick tell: dual is a adjective, duck is a noun, so they fill different roles in a sentence.

Which to use

“dual” is an adjective and “duck” is a noun - they look or sound alike but fill different roles in a sentence.

#25,623
“dual” frequency rank
#25,624
“duck” frequency rank
51247
confusion score

Side-by-Side Comparison

Feature dual duck
Definition Se dit de deux polyèdres réguliers lorsqu’on obtient l’un en échangeant les faces et sommets de l’autre. Toile épaisse et résistante utilisée pour des bâches, de tentes, des voiles, etc.

Letter map: dual vs duck

Shared letters muted; letters that set dual and duck apart highlighted. Shared run: 2.

4 ch
dual
4 ch
duck

Role in the sentence - dual and duck

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dual is anadjective and duckanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 51247, derived from the frequency rank of both members and their visual similarity.

dual is recorded at frequency rank #25,623, classified as anadj, pronounced \dɥal\. duck is at rank #25,624, tagged as anoun.

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 51247, this pair ranks #156,481 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dual vs duck

Shared letters: du. Private to "dual": al. Private to "duck": ck.

"dual" · 4 letters · shape CVVC  ·  "duck" · 4 letters · shape CVCC

Known mistypes of this pair

  • dualdaul · ddual · duall · dula · udal
  • duckdcuk · dduck · ducck · duckk · dukc · udck

Frequently Asked Questions

Do "dual" and "duck" mean the same thing in a sentence?
No - they are not even the same part of speech. "dual" is an adjective and "duck" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "dual" or "duck" show up more?
"dual" is the more common of the two: it sits at frequency rank #25,623 in our French list, against #25,624 for "duck". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "dual" and "duck". Here's where to go from here.

  • Full dictionary entry for "dual" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "duck" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #156,481 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "dual" and "duck" also get mixed up with nearby pairs, the highest-scored neighbour is "dray vs dual". 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 #156,481 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list