dezvsduaWhat's the difference?

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

Which to use

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

#771
“dez” frequency rank
#39,112
“dua” frequency rank
39883
confusion score

Side-by-Side Comparison

Feature dez dua
Definition dotado de bons atributos querer

Where the eye mixes dez and dua

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
dez
3 ch
dua

Why the eye confuses dez with dua

These two trip readers on the page rather than in the ear: dez is /ˈdɛʃ/ while dua is /ˈdwa/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 39883, derived from the frequency rank of both members and their visual similarity.

dez is recorded at frequency rank #771, classified as anadj, pronounced /ˈdɛʃ/. dua is at rank #39,112, tagged as averb, pronounced /ˈdwa/.

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 39883, this pair ranks #26,302 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dez vs dua

Shared letters: d. Private to "dez": ez. Private to "dua": au.

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

Frequently Asked Questions

Can "dez" and "dua" be used interchangeably?
No - they are not even the same part of speech. "dez" is an adjective and "dua" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "dez" or "dua" show up more?
"dez" is the more common of the two: it sits at frequency rank #771 in our Portuguese list, against #39,112 for "dua". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "dez" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dua" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #26,302 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dez" and "dua" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dua". Nearby pair

Confusion rank #26,302 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