oso

adj

The verdict

“oso” is uncommon Portuguese (frequency #64,383 among 846 “O” headwords), classed as an adjective. The kind of spelling people second-guess.

#64,383
frequency rank, Portuguese
846
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - todo; inteiro

Key facts for oso
PropertyValue
Headwordoso
LanguagePortuguese
Part of speechAdjective
Letters3
Frequency rank#64,383
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “oso” sits in Portuguese frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). oso lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

oso is uncommon Portuguese at frequency #64,383 among 846 “O” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for oso in our index, typically a sign the spelling maps closely to how the word sounds. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No documented word history exists for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct Portuguese form is oso, spelled O-S-O.

Definition

  1. 1
    todo; inteiro
  2. 2
    muito (se precedido de outro adjetivo)

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 "oso"?
"oso" is spelled O-S-O.
What does "oso" mean?
As an adjective, "oso" means: todo; inteiro
What language does "oso" come from?
"oso" 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.

Using “oso”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Portuguese spelling is O-S-O - every other letter order is a misspelling in standard orthography.
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese words

Other uncommon Portuguese words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list