unión
[uˈnjõn]
The verdict
“unión” is in the everyday core of Spanish, ranked #904 in Spanish word frequency and used as a noun.
- #904
- frequency rank, Spanish
- 5
- letters
- 6
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Acción y efecto de unir o unirse.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | unión |
| Language | Spanish |
| Part of speech | Noun |
| IPA | [uˈnjõn] |
| Letters | 5 |
| Frequency rank | #904 |
| Misspellings tracked | 6 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “unión” sits in Spanish frequency
Spelling & Dictionary Insight
The Spanish entry for unión is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [uˈnjõn]. Corpus data places it at rank #904 in overall Spanish word frequency, putting it firmly in the everyday core of the language. Wiktionary records 17 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 6 likely wrong-spelling variants for unión, with forms such as "nuión", "uinón", and "uninó". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "uno", "unos", "unit", and more, where similar look or sound leads writers to substitute one word for another in context.
Wiktionary doesn't record an etymology for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is unión, spelled U-N-I-Ó-N.
Definition
- 1Acción y efecto de unir o unirse.
- 2Juntura de una cosa con otra.
- 3En teoría de conjuntos, operación que, a partir de dos conjuntos, devuelve un nuevo conjunto que contiene todos y cada uno de los elementos de los conjuntos originales, pero ningún otro elemento.
- 4La consolidación de los labios de una herida.
- 5Composición perfecta y uniforme de una cosa.
- 6Lisura
- 7Trabazón.
- 8Conformidad, concordancia.
- 9Casamiento.
- 10Perla semejante a otra.
- 11Semejanza de una perla con otra.
- 12Composición que resulta de la mezcla de varias sustancias entre sí.
- 13Alianza.
- 14Sortija compuesta de dos enlazadas entre sí.
- 15Inmediación de una cosa con otras.
- 16Grado de perfección espiritual en que el alma, desasida de toda criatura, se une con su Criador por la caridad, de suerte que sólo aspira a cumplir en todo la voluntad divina.
- 17Agregación o incorporación de un beneficio o prebenda eclesiástica a otra, en manos muertas.
Synonyms
This word in other languages
Common misspellings
Also misspelled as: nuión,uinón,uninó,uniónn,unnión,unóin
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of unión - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "unión"?
What does "unión" mean?
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Using “unión”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is U-N-I-Ó-N - every other letter order is a misspelling in standard orthography.
- Say it as [uˈnjõn] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “uno” - see the side-by-side comparison. unión vs uno
- Browse more Spanish words and confusable pairs in the same reference. Spanish words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.