ostra

/ˈos.tɾɐ/

//ˈos.tɾɐ// noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“ostra” has 7 generated spelling variants in the Portuguese index at frequency #37,449. The variants make it a useful spelling check.

#37,449
frequency rank, Portuguese
385
“O” headwords
7
tracked misspellings
7
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - 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 produç...

Corpus desk

Index PT-ostra · ostra · Portuguese

ostra · rank #37,449 · 7 variants · 7 confusables

  • FREQ-MID #37,449
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-MID 7 pairs
  • VAR-MID 7 variants
  • BOOK-MID 385
  • PHOTO-FINISH ortopedia

Nearest frequency peer: ortopedia (-2 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Pares de rank junto ao íman ortográfico “ostra”

Mesma faixa de raridade: útil se um typo cair num lema vizinho

corpus weight

What this shows “ostra” está entre estes pares FrequencyWords; a profundidade de typo mede-se à parte no gráfico de distância de edição.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

ostra vs ota
60% similar
ostra vs outro
60% similar
ostra vs ora
60% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for ostra
PropertyValue
Headwordostra
LanguagePortuguese
Part of speechNoun
IPA/ˈos.tɾɐ/
Letters5
Frequency rank#37,449
Misspellings tracked7
Confusable pairs7
SourceWiktionary (kaikki.org)

Frequência do íman ortográfico “ostra”

Da esquerda para a direita: o pouco que carrega a fala diária, depois a cauda longa quase invisível.ostracai aqui:

#1#100#1K#10K#100K
← used constantlyrarely used →

A escala é logarítmica (cada marca ≈ 10× mais rara). Na mesma faixa de raridade aparecem “ortopedia” (#37,447), “panteão” (#37,451), “ono” (#37,444). Entre 385 lemas com “O”, “ostra” fica em #37,449. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 7 spelling variants around ostra (IPA /ˈos.tɾɐ/), anoun. Corpus frequency is #37,449 among 385 “O” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 7 likely wrong-spelling variants for ostra, with forms such as "osrta", "osstra", and "ostar". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 7 confusable-pair relationships, "ota", "outro", "ora", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Wiktionary doesn't record an etymology for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Portuguese form is ostra, spelled O-S-T-R-A.

Definition

  1. 1
    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
  2. 2
    pessoa inoportuna, que fica colada em outra; pessoa grudenta
  3. 3
    em locais de espetáculos, o nome da cadeira ou poltrona fixa contra a parede
  4. 4
    por analogia, catarro espesso

Synonyms

carrapato

This word in other languages

oyster(English)ostra(Español)huître(Français)Auster(Deutsch)

Common misspellings

Also misspelled as:

  • osrta
  • osstra
  • ostar
  • ostrra
  • osttra
  • otsra
  • sotra

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of ostra - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

osrta2osstra1ostar2ostrra1osttra1otsra2sotra2
Edit distance from "ostra"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ostra"?
"ostra" is spelled O-S-T-R-A. The IPA pronunciation is /ˈos.tɾɐ/.
What does "ostra" mean?
As a noun, "ostra" means: 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 produç...
What words are commonly confused with "ostra"?
"ostra" is commonly confused with "ota", "outro", "ora". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "ostra"?
The IPA (International Phonetic Alphabet) transcription for "ostra" is /ˈos.tɾɐ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "ostra" come from?
"ostra" is a Portuguese word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar Portuguese words by spelling shape

Same letter count and similar misspelling depth for "ostra", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 5 letters (nearest by frequency rank).

mitra#37,426Minos#37,425knife#37,393slash#37,531

Similar misspelling depth

Headwords with a similar count of attested misspellings (7 here; floor ≥5).

punção7 variantsenjoy7 variantscausal7 variantsapogeu7 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list