núcleo

noun

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

The verdict

“núcleo” has 8 generated spelling variants in the Portuguese index at frequency #3,029. The variants make it a useful spelling check.

#3,029
frequency rank, Portuguese
360
“N” headwords
8
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - miolo da noz, avelã, amêndoa, pinhão ou de outras frutas

Corpus desk

Index PT-nucleo · núcleo · Portuguese

núcleo · rank #3,029 · 8 variants · 2 confusables

  • FREQ-COMMON #3,029
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 2 pairs
  • VAR-MID 8 variants
  • BOOK-MID 360
  • PHOTO-FINISH metal

Nearest frequency peer: metal (-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 “núcleo”

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

corpus weight

What this shows “núcleo” 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).

núcleo vs nulo
50% similar
núcleo vs nuclear
57% similar

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

Key facts for núcleo
PropertyValue
Headwordnúcleo
LanguagePortuguese
Part of speechNoun
Letters6
Frequency rank#3,029
Misspellings tracked8
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequência do íman ortográfico “núcleo”

A frequência vai do punhado de palavras do dia a dia (esquerda) à cauda longa quase nunca usada (direita).núcleocai aqui:

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

Os ticks avançam em logaritmo; cada um é da ordem de dez vezes mais raro. Na mesma faixa de raridade aparecem “metal” (#3,027), “ocupação” (#3,031), “organizar” (#3,032). Entre 360 lemas com “N”, “núcleo” fica em #3,029. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around núcleo, anoun. Corpus frequency is #3,029 among 360 “N” headwords. Wiktionary lists 12 senses, so context still picks the gloss.

Our generated misspelling index lists 8 likely wrong-spelling variants for núcleo, with forms such as "ncúleo", "nnúcleo", and "núccleo". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 2 confusable-pair relationships, "nulo", "nuclear", where similar look or sound leads writers to substitute one word for another in context.

No explicit etymology string is stored for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct Portuguese form is núcleo, spelled N-Ú-C-L-E-O.

Definition

  1. 1
    miolo da noz, avelã, amêndoa, pinhão ou de outras frutas
  2. 2
    a melhor parte; o escol
  3. 3
    sede, empório
  4. 4
    elemento que ocupa a posição central de uma estrutura, centro, essência
  5. 5
    o centro de uma galáxia
  6. 6
    corpo (organela) arredondado encontrado no citoplasma das células eucarióticas
  7. 7
    corpo magnético utilizado como condutor para o fluxo magnético de uma bobina
  8. 8
    a região central de um átomo, formado por prótons e neutrons
  9. 9
    a parte central (profunda) do planeta Terra
  10. 10
    elemento do sintagma que determina o caráter nominal, ou verbal, ou adjetival da construção
  11. 11
    anel ou ciclo de um composto aromático; ciclo aromático; anel aromático
  12. 12
    cadeia cíclica; cadeia fechada; cadeia de átomos distribuídos em formato de anel

Recorded use

Wiktionary examples

These source excerpts show how núcleo appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. O Vale do Sílicio é o núcleo de produção de eletrônicos e softwares dos EUA.
  2. O núcleo do problema social no Brasil é a desigualdade econômica.

This word in other languages

nucleus(English)núcleo(Español)noyau(Français)Kern(Deutsch)

Common misspellings

Also misspelled as:

  • ncúleo
  • nnúcleo
  • núccleo
  • núcelo
  • núclleo
  • núcloe
  • núlceo
  • úncleo

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of núcleo - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ncúleo2nnúcleo1núccleo1núcelo2núclleo1núcloe2núlceo2úncleo2
Edit distance from "núcleo"

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 "núcleo"?
"núcleo" is spelled N-Ú-C-L-E-O.
What does "núcleo" mean?
As a noun, "núcleo" means: miolo da noz, avelã, amêndoa, pinhão ou de outras frutas
What words are commonly confused with "núcleo"?
"núcleo" is commonly confused with "nulo", "nuclear". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "núcleo" come from?
"núcleo" is a Portuguese word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "núcleo", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 6 letters (nearest by frequency rank).

formar#3,014tabela#3,045trinta#3,047visual#3,050

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

links8 variantsfrank8 variantsâmbito8 variantschoque8 variants

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

Source: FrequencyWords open word-frequency list