Which to use
“obra” and “ostra” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #702
- “obra” frequency rank
- #37,449
- “ostra” frequency rank
- 38151
- confusion score
Side-by-Side Comparison
| Feature | obra | ostra |
|---|---|---|
| Definition | resultado de uma ação ou de um trabalho | 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 spellings diverge
Shared letters are muted; the letters that actually set obra and ostra apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. obra (/ˈɔ.bɾɐ/) 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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 38151, derived from the frequency rank of both members and their visual similarity.
obra is recorded at frequency rank #702, classified as anoun, pronounced /ˈɔ.bɾɐ/. 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 38151, this pair ranks #28,355 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of obra vs ostra
Shared letters: aor. Private to "obra": b. Private to "ostra": st.
"obra" · 4 letters · shape VCCV · "ostra" · 5 letters · shape VCCCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "obra" and "ostra" be used interchangeably?
Which is more common, "obra" or "ostra"?
Remembering obra vs ostra
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “obra” entry
- Browse more pairs most likely to be confused. Most confusable