ostro
[ˈost̪ɾo]
The verdict
“ostro” is outside the top-ranked Spanish vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency Spanish
- 5
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Ostra de gran tamaño.
| Property | Value |
|---|---|
| Headword | ostro |
| Language | Spanish |
| Part of speech | Noun |
| IPA | [ˈost̪ɾo] |
| Letters | 5 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “ostro” sits in Spanish frequency
Spelling & Dictionary Insight
The Spanish entry for ostro is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [ˈost̪ɾo]. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Ostra de gran tamaño.".
ostro doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable Spanish rules. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.
No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Spanish form is ostro, spelled O-S-T-R-O.
Definition
- 1Ostra de gran tamaño.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “ostro”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is O-S-T-R-O - every other letter order is a misspelling in standard orthography.
- Say it as [ˈost̪ɾo] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.