Which to use
“Osaka” and “ostra” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,738
- “Osaka” frequency rank
- #37,449
- “ostra” frequency rank
- 60187
- confusion score
Side-by-Side Comparison
| Feature | Osaka | ostra |
|---|---|---|
| Definition | prefeitura (subdivisão nacional) do Japão localizada na região de Kansai | nome comum a vários moluscos bivalves da família dos ostreídeos, alguns tendo importância econômica por serem comestíveis e de alto valor nutritivo, outras espécies que são cultivadas para a produção de pérolas, que vivem fixados a alguma base |
Where the eye mixes Osaka and ostra
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Osaka (VCVCV) and ostra (VCCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses Osaka with ostra
A purely visual mix-up. Osaka ("ozaka")) and ostra (/ˈos.tɾɐ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 60187, derived from the frequency rank of both members and their visual similarity.
Osaka is recorded at frequency rank #22,738, classified as anoun, pronounced "ozaka"). ostra is at rank #37,449, tagged as anoun, pronounced /ˈos.tɾɐ/.
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 60187, this pair ranks #7,791 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of Osaka vs ostra
Shared letters: aos. Private to "Osaka": k. Private to "ostra": rt.
"Osaka" · 5 letters · shape VCVCV · "ostra" · 5 letters · shape VCCCV
Known mistypes of this pair
Frequently Asked Questions
Do "Osaka" and "ostra" mean the same thing in a sentence?
In ordinary Portuguese text, does "Osaka" or "ostra" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "Osaka" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ostra" - compare definitions side by side with the headword page. Word entry
- This pair ranks #7,791 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "Osaka" and "ostra" also get mixed up with nearby pairs, the highest-scored neighbour is "ostra vs ota". 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 #7,791 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.