arcovsarrowWhich spelling fits?

Which to use

“arco” and “arrow” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,287
“arco” frequency rank
#17,971
“arrow” frequency rank
22258
confusion score

Side-by-Side Comparison

Feature arco arrow
Definition ente geométrico cuja principal característica é a curva flecha

Where the eye mixes arco and arrow

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
arco
5 ch
arrow

Look-alike desk: arco vs arrow

A purely visual mix-up. arco (/ˈaɾ.ku/) and arrow (/ˈaɹ.əʊ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 22258, derived from the frequency rank of both members and their visual similarity.

arco is recorded at frequency rank #4,287, classified as anoun, pronounced /ˈaɾ.ku/. arrow is at rank #17,971, tagged as anoun, pronounced /ˈaɹ.əʊ/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 22258, this pair ranks #47,841 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of arco vs arrow

Shared letters: aor. Private to "arco": c. Private to "arrow": w.

"arco" · 4 letters · shape VCCV  ·  "arrow" · 5 letters · shape VCCVC

Known mistypes of this pair

  • arcoarcco · aroc · arrco · raco
  • arrowarorw · arow · arroww · arrwo · rarow

Frequently Asked Questions

Do "arco" and "arrow" mean the same thing in a sentence?
No. They are said differently (/ˈaɾ.ku/ versus /ˈaɹ.əʊ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "arco" vs "arrow" - which ranks higher?
"arco" is the more common of the two: it sits at frequency rank #4,287 in our Portuguese list, against #17,971 for "arrow". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "arco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "arrow" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #47,841 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "arco" and "arrow" also get mixed up with nearby pairs, the highest-scored neighbour is "arrow vs atroz". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #47,841 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list