cu

/ˈku/

//ˈku// noun

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

The verdict

“cu” sits in 20 confusable pairs (corpus #4,716) as a noun. The look-alike neighbours are the real trap.

#4,716
frequency rank, Portuguese
2,140
“C” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - extremidade do intestino grosso; ânus

Corpus desk

Index PT-cu · cu · Portuguese

cu · rank #4,716 · 0 variants · 20 confusables

  • FREQ-COMMON #4,716
  • LEN-SHORT 2 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH convencer

Nearest frequency peer: convencer (-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.

Frequency neighbourhood for “cu”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “cu” sits against the nearest ranked Portuguese headwords in the FrequencyWords band, not a reprint of letter-browse containment.

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).

cu vs cut
67% similar
cu vs cum
67% similar
cu vs cujo
50% similar

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

Key facts for cu
PropertyValue
Headwordcu
LanguagePortuguese
Part of speechNoun
IPA/ˈku/
Letters2
Frequency rank#4,716
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Onde “cu” fica na frequência do português

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

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

A escala é logarítmica (cada marca ≈ 10× mais rara). Na mesma faixa de raridade aparecem “convencer” (#4,715), “culto” (#4,717), “continuidade” (#4,714). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for cu is neighbouring look-alikes ("cut", "cum", …), not just typos; it is anoun pronounced /ˈku/. Frequency #4,716 among 2,140 “C” headwords. 5 recorded senses keep meaning in play.

cu doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. It also participates in 20 confusable-pair relationships, "cut", "cum", "cujo", and more, where similar look or sound leads writers to substitute one word for another in context.

Wiktionary doesn't record an etymology for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Portuguese form is cu, spelled C-U.

Definition

  1. 1
    extremidade do intestino grosso; ânus
  2. 2
    nádegas, rabo
  3. 3
    fundo da agulha de coser
  4. 4
    a parte inferior dum poleame, oposta à cabeça
  5. 5
    pessoa desagradável, chata

Recorded use

Wiktionary examples

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

  1. Esse cara é um cu.
  2. As vezes você é um cu mesmo hein, mas eu te amo mesmo assim.

Synonyms

rosnelobriochecofrinhocopinhoediedirfundãofundorabicórabetarabiolarabiosquerébozóbogaolho

This word in other languages

asshole(English)culo(Español)trou du cul(Français)Arschloch(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 "cu"?
"cu" is spelled C-U. The IPA pronunciation is /ˈku/.
What does "cu" mean?
As a noun, "cu" means: extremidade do intestino grosso; ânus
What words are commonly confused with "cu"?
"cu" is commonly confused with "cut", "cum", "cujo". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "cu"?
The IPA (International Phonetic Alphabet) transcription for "cu" is /ˈku/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "cu" come from?
"cu" 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.

What to do next

You've looked up "cu". Here's where to go from here.

  • "cu" maps to 20 confusable pairs in this vintage; the highest-scored is "cut". View pair
  • Usage frequency rank #4,716 among Portuguese headwords in this corpus. Corpus statistics
  • Browse more Portuguese words in the "C" letter cohort. C–Z browse

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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