Which to use
“ópera” and “ostra” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #8,708
- “ópera” frequency rank
- #37,449
- “ostra” frequency rank
- 46157
- confusion score
Side-by-Side Comparison
| Feature | ópera | ostra |
|---|---|---|
| Definition | drama teatral quase inteiramente cantado com acompanhamento de orquestra | 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 ópera and ostra
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: ópera vs ostra
A purely visual mix-up. ópera (/ˈɔ.pɨ.ɾɐ/) 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 3 positions. Our composite confusion score for this pair is 46157, derived from the frequency rank of both members and their visual similarity.
ópera is recorded at frequency rank #8,708, classified as anoun, pronounced /ˈɔ.pɨ.ɾɐ/. 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 46157, this pair ranks #19,186 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ópera vs ostra
Shared letters: ar. Private to "ópera": epó. Private to "ostra": ost.
"ópera" · 5 letters · shape VCVCV · "ostra" · 5 letters · shape VCCCV
Known mistypes of this pair
- ostra ← osrta · osstra · ostar · ostrra · osttra · otsra · sotra
Frequently Asked Questions
Is swapping "ópera" for "ostra" ever safe?
Frequency check: "ópera" vs "ostra" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ópera" 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 #19,186 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ópera" 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 #19,186 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.