undvsunosTell them apart

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

Which to use

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

#14,978
“und” frequency rank
#203
“unos” frequency rank
15181
confusion score

Side-by-Side Comparison

Feature und unos
Definition Y. Cantidad aproximada o imprecisa.

Where the eye mixes und and unos

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
und
4 ch
unos

Visual trap between und and unos

These two trip readers on the page rather than in the ear: und is /ʊnt/ while unos is [ˈunos]. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 15181, derived from the frequency rank of both members and their visual similarity.

und is recorded at frequency rank #14,978, classified as aconj, pronounced /ʊnt/. unos is at rank #203, tagged as anadj, pronounced [ˈunos].

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 15181, this pair ranks #281,207 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of und vs unos

Shared letters: nu. Private to "und": d. Private to "unos": os.

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

Known mistypes of this pair

  • unosnuos · unnos · unoss · unso · uons

Frequently Asked Questions

Do "und" and "unos" mean the same thing in a sentence?
No - they are not even the same part of speech. "und" is a conjunction and "unos" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "und" or "unos" show up more?
"unos" is the more common of the two: it sits at frequency rank #203 in our Spanish list, against #14,978 for "und". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "und" and "unos" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "und" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "unos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #281,207 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "und" and "unos" also get mixed up with nearby pairs, the highest-scored neighbour is "und vs UPN". 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 #281,207 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list