Which to use
“arco” and “arma” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,287
- “arco” frequency rank
- #1,913
- “arma” frequency rank
- 6200
- confusion score
Side-by-Side Comparison
| Feature | arco | arma |
|---|---|---|
| Definition | ente geométrico cuja principal característica é a curva | instrumento usado para ataque e defesa |
Where the eye mixes arco and arma
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between arco and arma
A purely visual mix-up. arco (/ˈaɾ.ku/) and arma (/ˈaɾmɐ/) 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 6200, 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/. arma is at rank #1,913, tagged as anoun, pronounced /ˈaɾmɐ/.
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 6200, this pair ranks #68,279 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of arco vs arma
Shared letters: ar. Private to "arco": co. Private to "arma": m.
"arco" · 4 letters · shape VCCV · "arma" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Do "arco" and "arma" mean the same thing in a sentence?
In ordinary Portuguese text, does "arco" or "arma" show up more?
What to do next
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 "arma" - compare definitions side by side with the headword page. Word entry
- This pair ranks #68,279 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "arco" and "arma" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs arco". 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 #68,279 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.