concentranvsconcentrarWhat's the difference?

Which to use

“concentran” and “concentrar” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#16,794
“concentran” frequency rank
#17,381
“concentrar” frequency rank
34175
confusion score

Side-by-Side Comparison

Feature concentran concentrar
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de concentrar o de concentrarse. Acumular en un mismo punto mucha cantidad de algo.

Where the eye mixes concentran and concentrar

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. concentran and concentrar follow the identical consonant-vowel pattern (CVCCVCCCVC). Same shape at a glance is often the real trap, independent of shared letters.

10 ch
concentran
10 ch
concentrar

Visual trap between concentran and concentrar

A purely visual mix-up. concentran ([kõnˈsẽn̪t̪ɾãn]) and concentrar ([kõnsẽn̪ˈt̪ɾaɾ]) 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 a single letter - n in “concentran” becomes r in “concentrar”. Our composite confusion score for this pair is 34175, derived from the frequency rank of both members and their visual similarity.

concentran is recorded at frequency rank #16,794, classified as averb, pronounced [kõnˈsẽn̪t̪ɾãn]. concentrar is at rank #17,381, tagged as averb, pronounced [kõnsẽn̪ˈt̪ɾaɾ].

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 34175, this pair ranks #192,842 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of concentran vs concentrar

Shared letters: acenort. Private to "concentran": -. Private to "concentrar": -.

"concentran" · 10 letters · shape CVCCVCCCVC  ·  "concentrar" · 10 letters · shape CVCCVCCCVC

Known mistypes of this pair

  • concentrancconcentran · cnocentran · cocnentran · conccentran · concenntran · concenrtan · concentarn · concentrann
  • concentrarcconcentrar · cnocentrar · cocnentrar · conccentrar · concenntrar · concenrtar · concentarr · concentrarr

Frequently Asked Questions

Is swapping "concentran" for "concentrar" ever safe?
No. They are said differently ([kõnˈsẽn̪t̪ɾãn] versus [kõnsẽn̪ˈt̪ɾaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "concentran" vs "concentrar" - which ranks higher?
"concentran" is the more common of the two: it sits at frequency rank #16,794 in our Spanish list, against #17,381 for "concentrar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "concentran" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "concentrar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #192,842 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "concentran" and "concentrar" also get mixed up with nearby pairs, the highest-scored neighbour is "concentrar vs concentre". 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 #192,842 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list