Which to use
“reação” and “redação” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,864
- “reação” frequency rank
- #4,514
- “redação” frequency rank
- 6378
- confusion score
Side-by-Side Comparison
| Feature | reação | redação |
|---|---|---|
| Definition | ação provocada em razão de uma outra anteriormente ocorrida | ato ou efeito de redigir |
Where the eye mixes reação and redação
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. reação runs 6 letters (CVVCVV) against redação's 7 (CVCVCVV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses reação with redação
A purely visual mix-up. reação (/ʀja.ˈsɐ̃w̃/) and redação (/Rɨ.da.ˈsɐ̃w̃/) 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 6378, derived from the frequency rank of both members and their visual similarity.
reação is recorded at frequency rank #1,864, classified as anoun, pronounced /ʀja.ˈsɐ̃w̃/. redação is at rank #4,514, tagged as anoun, pronounced /Rɨ.da.ˈsɐ̃w̃/.
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 6378, this pair ranks #68,067 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of reação vs redação
Shared letters: aeorãç. Private to "reação": -. Private to "redação": d.
"reação" · 6 letters · shape CVVCVV · "redação" · 7 letters · shape CVCVCVV
Frequently Asked Questions
Do "reação" and "redação" mean the same thing in a sentence?
Frequency check: "reação" vs "redação" - which ranks higher?
After this comparison
Eye-level mix-up between "reação" and "redação" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "reação" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "redação" - compare definitions side by side with the headword page. Word entry
- This pair ranks #68,067 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "reação" and "redação" also get mixed up with nearby pairs, the highest-scored neighbour is "redação vs refração". Nearby pair
Confusion rank #68,067 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.