Which to use
“concentración” is a noun and “concentraron” is a verb - they look or sound alike but fill different roles in a sentence.
- #2,815
- “concentración” frequency rank
- #31,277
- “concentraron” frequency rank
- 34092
- confusion score
Side-by-Side Comparison
| Feature | concentración | concentraron |
|---|---|---|
| Definition | Acción o efecto de concentrar, acumular en un mismo punto mucha cantidad de algo. | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de concentrar o de concentrarse. |
Where the eye mixes concentración and concentraron
Muted = shared; highlighted = the visual trap. They share 10 letters in sequence. concentración runs 13 letters (CVCCVCCCVCVVC) against concentraron's 12 (CVCCVCCCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: concentración vs concentraron
These two trip readers on the page rather than in the ear: concentración is [kõnsẽn̪t̪ɾaˈsjõn] while concentraron is [kõnsẽn̪ˈt̪ɾaɾõn]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 34092, derived from the frequency rank of both members and their visual similarity.
concentración is recorded at frequency rank #2,815, classified as anoun, pronounced [kõnsẽn̪t̪ɾaˈsjõn]. concentraron is at rank #31,277, tagged as averb, pronounced [kõnsẽn̪ˈt̪ɾaɾõn].
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 34092, this pair ranks #193,289 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of concentración vs concentraron
Shared letters: acenort. Private to "concentración": ió. Private to "concentraron": -.
"concentración" · 13 letters · shape CVCCVCCCVCVVC · "concentraron" · 12 letters · shape CVCCVCCCVCVC
Known mistypes of this pair
- concentraron ← cconcentraron · cnocentraron · cocnentraron · conccentraron · concenntraron · concenrtaron · concentarron · concentraorn
Frequently Asked Questions
Do "concentración" and "concentraron" mean the same thing in a sentence?
In ordinary Spanish text, does "concentración" or "concentraron" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "concentración" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "concentraron" - compare definitions side by side with the headword page. Word entry
- This pair ranks #193,289 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "concentración" and "concentraron" also get mixed up with nearby pairs, the highest-scored neighbour is "concentrados vs concentraron". 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 #193,289 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.