Which to use
“arca” and “arco” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #12,304
- “arca” frequency rank
- #3,609
- “arco” frequency rank
- 15913
- confusion score
Side-by-Side Comparison
| Feature | arca | arco |
|---|---|---|
| Definition | Caja que puede tener distintos tamaños, generalmente de madera, cuya tapa se asegura con bisagras por uno de sus lados y que suele cerrarse con cerradura y candado. Suele estar muy ornamentada y a veces reposa sobre un pequeño podium. | Arma elaborada a partir de una barra material elástico amarrada por ambos extremos a una cuerda la cual se utiliza para impulsar flechas. |
Where the eye mixes arca and arco
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: arca vs arco
A purely visual mix-up. arca ([ˈaɾka]) and arco ([ˈaɾko]) 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 a single letter - a in “arca” becomes o in “arco”. Our composite confusion score for this pair is 15913, derived from the frequency rank of both members and their visual similarity.
arca is recorded at frequency rank #12,304, classified as anoun, pronounced [ˈaɾka]. arco is at rank #3,609, tagged as anoun, pronounced [ˈaɾko].
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 15913, this pair ranks #278,264 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of arca vs arco
Shared letters: acr. Private to "arca": -. Private to "arco": o.
"arca" · 4 letters · shape VCCV · "arco" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Can "arca" and "arco" be used interchangeably?
In ordinary Spanish text, does "arca" or "arco" show up more?
After this comparison
Eye-level mix-up between "arca" and "arco" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "arca" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arco" - compare definitions side by side with the headword page. Word entry
- This pair ranks #278,264 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "arca" and "arco" also get mixed up with nearby pairs, the highest-scored neighbour is "anta vs arca". 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 #278,264 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.