Which to use
“ostra” is a noun and “outro” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #37,449
- “ostra” frequency rank
- #141
- “outro” frequency rank
- 37590
- confusion score
Side-by-Side Comparison
| Feature | ostra | outro |
|---|---|---|
| Definition | 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 | que é diferente da pessoa ou da coisa que foi mencionada; que não é o mesmo; diverso, diferente |
Where the spellings diverge
Shared letters are muted; the letters that actually set ostra and outro apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: ostra is /ˈos.tɾɐ/ while outro is /ˈow.tɾu/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 37590, derived from the frequency rank of both members and their visual similarity.
ostra is recorded at frequency rank #37,449, classified as anoun, pronounced /ˈos.tɾɐ/. outro is at rank #141, tagged as apron, pronounced /ˈow.tɾu/.
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 37590, this pair ranks #28,994 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ostra vs outro
Shared letters: ort. Private to "ostra": as. Private to "outro": u.
"ostra" · 5 letters · shape VCCCV · "outro" · 5 letters · shape VVCCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "ostra" and "outro" be used interchangeably?
Which is more common, "ostra" or "outro"?
Remembering ostra vs outro
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “ostra”; for a pronoun, it's “outro”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “ostra” entry
- Browse more pairs most likely to be confused. Most confusable