undvsunidoWhat's the difference?

Quick tell: und is a conjunction, unido is an adjective, so they fill different roles in a sentence.

Which to use

“und” is a conjunction and “unido” is an adjective - they look or sound alike but fill different roles in a sentence.

#29,551
“und” frequency rank
#2,296
“unido” frequency rank
31847
confusion score

Side-by-Side Comparison

Feature und unido
Definition (conjunção coordenativa) e. junto

Where the eye mixes und and unido

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. und runs 3 letters (VCC) against unido's 5 (VCVCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
und
5 ch
unido

Why the eye confuses und with unido

These two trip readers on the page rather than in the ear: und is /ʊnt/ while unido is /u.ˈni.du/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (conjunction vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 31847, derived from the frequency rank of both members and their visual similarity.

und is recorded at frequency rank #29,551, classified as aconj, pronounced /ʊnt/. unido is at rank #2,296, tagged as anadj, pronounced /u.ˈni.du/.

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 31847, this pair ranks #36,126 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of und vs unido

Shared letters: dnu. Private to "und": -. Private to "unido": io.

"und" · 3 letters · shape VCC  ·  "unido" · 5 letters · shape VCVCV

Known mistypes of this pair

  • unido ← nuido · uindo · undio · uniddo · uniod · unnido

Frequently Asked Questions

Do "und" and "unido" mean the same thing in a sentence?
No - they are not even the same part of speech. "und" is a conjunction and "unido" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "und" or "unido" show up more?
"unido" is the more common of the two: it sits at frequency rank #2,296 in our Portuguese list, against #29,551 for "und". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "und" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "unido" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #36,126 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "und" and "unido" also get mixed up with nearby pairs, the highest-scored neighbour is "ú vs und". 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 #36,126 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