undvsunirWhat's the difference?

Quick tell: und is a conjunction, unir is a verb, so they fill different roles in a sentence.

Which to use

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

#29,551
“und” frequency rank
#4,962
“unir” frequency rank
34513
confusion score

Side-by-Side Comparison

Feature und unir
Definition (conjunção coordenativa) e. juntar

Where the spellings diverge

Shared letters are muted; the letters that actually set und and unir apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch
und
4 ch
unir

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: und is /ʊnt/ while unir is /ˈu.niɾ/. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 34513, 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/. unir is at rank #4,962, tagged as averb, pronounced /ˈu.niɾ/.

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 34513, this pair ranks #32,730 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of und vs unir

Shared letters: nu. Private to "und": d. Private to "unir": ir.

"und" · 3 letters · shape VCC  ·  "unir" · 4 letters · shape VCVC

Known mistypes of this pair

  • unirnuir · uinr · unirr · unnir · unri

Frequency comparison

und#29,551
unir#4,962

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "und" and "unir" be used interchangeably?
No - they are not even the same part of speech. "und" is a conjunction and "unir" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "und" or "unir"?
"unir" is the more common of the two: it sits at frequency rank #4,962 in our Portuguese list, against #29,551 for "und". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering und vs unir

The fastest way to pick the right one every time.

  • Check the role first: if you need a conjunction, it's “und”; for a verb, it's “unir”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “und” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list