oco

/ˈo.ku/

//ˈo.ku// adj

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

The verdict

“oco” sits in 20 confusable pairs (corpus #27,951) as an adjective. The look-alike neighbours are the real trap.

#27,951
frequency rank, Portuguese
385
“O” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - que não tem miolo

Corpus desk

Index PT-oco · oco · Portuguese

oco · rank #27,951 · 0 variants · 20 confusables

  • FREQ-MID #27,951
  • LEN-MID 3 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 385
  • PHOTO-FINISH obsessivo

Nearest frequency peer: obsessivo (-1 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.

Vizinhos de frequência do confusável “oco”

Pares de peso semelhante no corpus, aparte dos confusáveis abaixo

corpus weight

What this shows As barras situam “oco” face aos lemas portugueses mais próximos por rank, não um reprint da secretária de confusáveis.

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).

oco vs os
33% similar
oco vs ou
33% similar
oco vs oi
33% similar

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

Key facts for oco
PropertyValue
Headwordoco
LanguagePortuguese
Part of speechAdjective
IPA/ˈo.ku/
Letters3
Frequency rank#27,951
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Rank de corpus junto a confusáveis de “oco”

Esta escala corre do núcleo do português quotidiano (esquerda) até o rastro de formas raras (direita).ococai aqui:

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

A escala é logarítmica (cada marca ≈ 10× mais rara). Na mesma faixa de raridade aparecem “obsessivo” (#27,950), “olfato” (#27,953), “nutricionista” (#27,947). Entre 385 lemas com “O”, “oco” fica em #27,951. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for oco is neighbouring look-alikes ("os", "ou", …), not just typos; it is anadjective pronounced /ˈo.ku/. Frequency #27,951 among 385 “O” headwords. 4 recorded senses keep meaning in play.

No generated misspelling entries exist for oco in our index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "os", "ou", "oi", and more, where similar look or sound leads writers to substitute one word for another in context.

This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Portuguese form is oco, spelled O-C-O.

Definition

  1. 1
    que não tem miolo
  2. 2
    vazio
  3. 3
    escavado
  4. 4
    fútil

This word in other languages

hollow(English)hueco(Español)creux(Français)hohl(Deutsch)

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 "oco"?
"oco" is spelled O-C-O. The IPA pronunciation is /ˈo.ku/.
What does "oco" mean?
As an adjective, "oco" means: que não tem miolo
What words are commonly confused with "oco"?
"oco" is commonly confused with "os", "ou", "oi". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "oco"?
The IPA (International Phonetic Alphabet) transcription for "oco" is /ˈo.ku/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "oco" come from?
"oco" 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 "oco", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 3 letters (nearest by frequency rank).

Ost#27,958ins#27,900rep#28,006cos#27,810

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

Source: FrequencyWords open word-frequency list