Which to use
“anca” and “arco” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #40,417
- “anca” frequency rank
- #4,287
- “arco” frequency rank
- 44704
- confusion score
Side-by-Side Comparison
| Feature | anca | arco |
|---|---|---|
| Definition | proeminência superior das coxas | ente geométrico cuja principal característica é a curva |
Where the eye mixes anca and arco
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. anca and arco follow the identical consonant-vowel pattern (VCCV). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between anca and arco
A purely visual mix-up. anca (/ˈɐ̃.kɐ/) and arco (/ˈaɾ.ku/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 44704, derived from the frequency rank of both members and their visual similarity.
anca is recorded at frequency rank #40,417, classified as anoun, pronounced /ˈɐ̃.kɐ/. 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 44704, this pair ranks #20,724 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of anca vs arco
Shared letters: ac. Private to "anca": n. Private to "arco": or.
"anca" · 4 letters · shape VCCV · "arco" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "anca" for "arco" ever safe?
Which is more common, "anca" or "arco"?
Useful next steps
Eye-level mix-up between "anca" and "arco" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "anca" 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 #20,724 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "anca" and "arco" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs anca". 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 #20,724 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.