Which to use
“und” is a conjunction and “us” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #29,551
- “und” frequency rank
- #999
- “us” frequency rank
- 30550
- confusion score
Side-by-Side Comparison
| Feature | und | us |
|---|---|---|
| Definition | (conjunção coordenativa) e. | nos |
Where the eye mixes und and us
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: und vs us
These two trip readers on the page rather than in the ear: und is /ʊnt/ while us is /ʌs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (conjunction vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 30550, 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/. us is at rank #999, tagged as apron, pronounced /ʌs/.
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 30550, this pair ranks #37,758 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of und vs us
Shared letters: u. Private to "und": dn. Private to "us": s.
"und" · 3 letters · shape VCC · "us" · 2 letters · shape VC
Frequently Asked Questions
Do "und" and "us" mean the same thing in a sentence?
In ordinary Portuguese text, does "und" or "us" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "und" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "us" - compare definitions side by side with the headword page. Word entry
- This pair ranks #37,758 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "und" and "us" also get mixed up with nearby pairs, the highest-scored neighbour is "ú vs und". Nearby pair
Confusion rank #37,758 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.