uniónvsunitWhich spelling fits?

Which to use

“unión” and “unit” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#904
“unión” frequency rank
#40,057
“unit” frequency rank
40961
confusion score

Side-by-Side Comparison

Feature unión unit
Definition Acción y efecto de unir o unirse. Unidad.

Where the eye mixes unión and unit

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. unión runs 5 letters (VCVVC) against unit's 4 (VCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
unión
4 ch
unit

Look-alike desk: unión vs unit

A purely visual mix-up. unión ([uˈnjõn]) and unit (/ˈjuː.nɪt/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 40961, derived from the frequency rank of both members and their visual similarity.

unión is recorded at frequency rank #904, classified as anoun, pronounced [uˈnjõn]. unit is at rank #40,057, tagged as anoun, pronounced /ˈjuː.nɪt/.

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 40961, this pair ranks #156,254 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of unión vs unit

Shared letters: inu. Private to "unión": ó. Private to "unit": t.

"unión" · 5 letters · shape VCVVC  ·  "unit" · 4 letters · shape VCVC

Known mistypes of this pair

  • unit ← nuit · uint · unitt · unnit · unti

Frequently Asked Questions

Is swapping "unión" for "unit" ever safe?
No. They are said differently ([uˈnjõn] versus /ˈjuː.nɪt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "unión" vs "unit" - which ranks higher?
"unión" is the more common of the two: it sits at frequency rank #904 in our Spanish list, against #40,057 for "unit". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "unión" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "unit" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #156,254 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "unión" and "unit" also get mixed up with nearby pairs, the highest-scored neighbour is "ubi vs unit". 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 #156,254 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