os
[os]
The verdict
“os” is in the everyday core of Spanish, ranked #449 in Spanish word frequency and used as a pronoun.
- #449
- frequency rank, Spanish
- 2
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Caso acusativo y dativo del pronombre personal vosotros, una de las formas de la segunda persona del plural en español.
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 | os |
| Language | Spanish |
| Part of speech | Pronoun |
| IPA | [os] |
| Letters | 2 |
| Frequency rank | #449 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “os” sits in Spanish frequency
Spelling & Dictionary Insight
The Spanish entry for os is 2 letters long, classified as a pronoun, and transcribed in the International Phonetic Alphabet as [os]. Corpus data places it at rank #449 in overall Spanish word frequency, putting it firmly in the everyday core of the language. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
No generated misspelling entries exist for os in our index, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "oz", "ou", "ot", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
No documented word history exists for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct Spanish form is os, spelled O-S.
Definition
- 1Caso acusativo y dativo del pronombre personal vosotros, una de las formas de la segunda persona del plural en español.
- 2Caso acusativo y dativo del pronombre personal vos, una de las formas de la segunda persona del singular en español.
- 3Pronombre reflexivo de éste.
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
How do you spell "os"?
What does "os" mean?
What words are commonly confused with "os"?
How do you pronounce "os"?
What language does "os" come from?
Is PlainSpell free to use?
Using “os”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is O-S - every other letter order is a misspelling in standard orthography.
- Say it as [os] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “oz” - see the side-by-side comparison. os vs oz
- 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.