Which to use
“apo” is a verb and “arco” is a noun - they look or sound alike but fill different roles in a sentence.
- #45,685
- “apo” frequency rank
- #4,287
- “arco” frequency rank
- 49972
- confusion score
Side-by-Side Comparison
| Feature | apo | arco |
|---|---|---|
| Definition | atar, juntar, ligar. | ente geométrico cuja principal característica é a curva |
Where the eye mixes apo and arco
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. apo runs 3 letters (VCV) against arco's 4 (VCCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between apo and arco
These two trip readers on the page rather than in the ear: apo is /ˈa.poː/. while arco is /ˈaɾ.ku/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49972, derived from the frequency rank of both members and their visual similarity.
apo is recorded at frequency rank #45,685, classified as averb, pronounced /ˈa.poː/.. arco is at rank #4,287, tagged as anoun, pronounced /ˈaɾ.ku/.
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 49972, this pair ranks #14,998 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of apo vs arco
Shared letters: ao. Private to "apo": p. Private to "arco": cr.
"apo" · 3 letters · shape VCV · "arco" · 4 letters · shape VCCV
Known mistypes of this pair
- arco ← arcco · aroc · arrco · raco
Frequently Asked Questions
Can "apo" and "arco" be used interchangeably?
In ordinary Portuguese text, does "apo" or "arco" show up more?
What to do next
Eye-level mix-up between "apo" and "arco" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "apo" 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 #14,998 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "apo" and "arco" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs apo". 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 #14,998 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.