su
[su]
The verdict
“su” is in the everyday core of Spanish, ranked #20 in Spanish word frequency and used as an adjective.
- #20
- frequency rank, Spanish
- 2
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Adjetivo posesivo de la tercera persona; de él, de ella, de ellos, de ellas.
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 | su |
| Language | Spanish |
| Part of speech | Adjective |
| IPA | [su] |
| Letters | 2 |
| Frequency rank | #20 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “su” sits in Spanish frequency
Spelling & Dictionary Insight
The Spanish entry for su is 2 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as [su]. Corpus data places it at rank #20 in overall Spanish word frequency, putting it firmly in the everyday core of the language. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
No generated misspelling entries exist for su in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 20 confusable-pair relationships, "sy", "sus", "sur", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct Spanish form is su, spelled S-U.
Definition
- 1Adjetivo posesivo de la tercera persona; de él, de ella, de ellos, de ellas.
- 2Adjetivo posesivo formal de usted o ustedes.
This word in other languages
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
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Using “su”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is S-U - every other letter order is a misspelling in standard orthography.
- Say it as [su] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “sy” - see the side-by-side comparison. su vs sy
- 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.