Which to use
“colchão” and “concha” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #11,832
- “colchão” frequency rank
- #15,285
- “concha” frequency rank
- 27117
- confusion score
Side-by-Side Comparison
| Feature | colchão | concha |
|---|---|---|
| Definition | grande almofada cheia de uma substância flexível sobre a qual as pessoas se deitam | invólucro calcário ou córneo de certos animais |
Where the eye mixes colchão and concha
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. colchão runs 7 letters (CVCCCVV) against concha's 6 (CVCCCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between colchão and concha
A purely visual mix-up. colchão (/koɫ.ˈʃɐ̃w̃/) and concha (/ˈkõ.ʃɐ/) 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 27117, derived from the frequency rank of both members and their visual similarity.
colchão is recorded at frequency rank #11,832, classified as anoun, pronounced /koɫ.ˈʃɐ̃w̃/. concha is at rank #15,285, tagged as anoun, pronounced /ˈkõ.ʃɐ/.
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 27117, this pair ranks #41,895 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of colchão vs concha
Shared letters: cho. Private to "colchão": lã. Private to "concha": an.
"colchão" · 7 letters · shape CVCCCVV · "concha" · 6 letters · shape CVCCCV
Known mistypes of this pair
- concha ← cconcha · cnocha · cocnha · concah · conccha · conchha · conhca · conncha
Frequently Asked Questions
Can "colchão" and "concha" be used interchangeably?
Which is more common, "colchão" or "concha"?
What to do next
Eye-level mix-up between "colchão" and "concha" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "colchão" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "concha" - compare definitions side by side with the headword page. Word entry
- This pair ranks #41,895 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "colchão" and "concha" also get mixed up with nearby pairs, the highest-scored neighbour is "conca vs concha". 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 #41,895 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.