arco

/ˈaɾ.ku/

//ˈaɾ.ku// noun

The verdict

“arco” is a regularly-used Portuguese word, ranked #4,287 in Portuguese word frequency and used as a noun.

#4,287
frequency rank, Portuguese
4
letters
4
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - ente geométrico cuja principal característica é a curva

Visual similarity to commonly confused words

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

arco vs ato
50% similar
arco vs art
50% similar
arco vs avô
25% similar

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

Key facts for arco
PropertyValue
Headwordarco
LanguagePortuguese
Part of speechNoun
IPA/ˈaɾ.ku/
Letters4
Frequency rank#4,287
Misspellings tracked4
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “arco” 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). arco lands here:

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

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

Spelling & Dictionary Insight

The Portuguese entry for arco is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈaɾ.ku/. Corpus data places it at rank #4,287 in overall Portuguese word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 4 likely wrong-spelling variants for arco, with forms such as "arcco", "aroc", and "arrco". 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 20 confusable-pair relationships, "ato", "art", "avô", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Our source data has no etymology on file 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 arco, spelled A-R-C-O.

Definition

  1. 1
    ente geométrico cuja principal característica é a curva
  2. 2
    elemento arquitetônico usado em arcadas
  3. 3
    instrumento e arma manual usado para atirar flechas
  4. 4
    vara guarnecida de crinas, que serve para tocar violino, violoncelo etc
  5. 5
    adorno para a cabeça
  6. 6
    brinquedo no que se guia e faz rodar um aro com ajuda de uma vara

Synonyms

curvatesteiratiara

This word in other languages

Common misspellings

Also misspelled as: arcco,aroc,arrco,raco

Misspelling Pattern Breakdown

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

arcco1aroc2arrco1raco2
Edit distance from "arco"

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 "arco"?
"arco" is spelled A-R-C-O. The IPA pronunciation is /ˈaɾ.ku/.
What does "arco" mean?
As a noun, "arco" means: ente geométrico cuja principal característica é a curva
What words are commonly confused with "arco"?
"arco" is commonly confused with "ato", "art", "avô". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "arco"?
The IPA (International Phonetic Alphabet) transcription for "arco" is /ˈaɾ.ku/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "arco" come from?
"arco" 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.

Using “arco”

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

  • The one correct Portuguese spelling is A-R-C-O - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈaɾ.ku/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “ato” - see the side-by-side comparison. arco vs ato
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese words
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