duavsduckWhich spelling fits?

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

Which to use

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

#39,112
“dua” frequency rank
#23,302
“duck” frequency rank
62414
confusion score

Side-by-Side Comparison

Feature dua duck
Definition querer pato

Letter map: dua vs duck

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

3 ch
dua
4 ch
duck

Grammar separator: dua vs duck

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dua is averb and duckanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 62414, derived from the frequency rank of both members and their visual similarity.

dua is recorded at frequency rank #39,112, classified as averb, pronounced /ˈdwa/. duck is at rank #23,302, 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 62414, this pair ranks #6,683 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of dua vs duck

Shared letters: du. Private to "dua": a. Private to "duck": ck.

"dua" · 3 letters · shape CVV  ·  "duck" · 4 letters · shape CVCC

Known mistypes of this pair

  • duckdcuk · dduck · ducck · duckk · dukc · udck

Frequently Asked Questions

Can "dua" and "duck" be used interchangeably?
No - they are not even the same part of speech. "dua" is a verb and "duck" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dua" or "duck"?
"duck" is the more common of the two: it sits at frequency rank #23,302 in our Portuguese list, against #39,112 for "dua". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "dua" 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 #6,683 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dua" and "duck" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dua". 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 #6,683 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list