concentrabavsconcentrarTell them apart

Which to use

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

#45,827
“concentraba” frequency rank
#17,381
“concentrar” frequency rank
63208
confusion score

Side-by-Side Comparison

Feature concentraba concentrar
Definition Primera persona del singular (yo) del pretérito imperfecto de indicativo de concentrar o de concentrarse. Acumular en un mismo punto mucha cantidad de algo.

Where the eye mixes concentraba and concentrar

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. concentraba runs 11 letters (CVCCVCCCVCV) against concentrar's 10 (CVCCVCCCVC) - the length gap alone is often enough to separate them once you know to check it.

11 ch
concentraba
10 ch
concentrar

Visual trap between concentraba and concentrar

A purely visual mix-up. concentraba ([kõnsẽn̪ˈt̪ɾaβ̞a]) 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 1 letter(s) in length. Our composite confusion score for this pair is 63208, derived from the frequency rank of both members and their visual similarity.

concentraba is recorded at frequency rank #45,827, classified as averb, pronounced [kõnsẽn̪ˈt̪ɾaβ̞a]. 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 63208, this pair ranks #49,467 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of concentraba vs concentrar

Shared letters: acenort. Private to "concentraba": b. Private to "concentrar": -.

"concentraba" · 11 letters · shape CVCCVCCCVCV  ·  "concentrar" · 10 letters · shape CVCCVCCCVC

Known mistypes of this pair

  • concentrabacconcentraba · cnocentraba · cocnentraba · conccentraba · concenntraba · concenrtaba · concentarba · concentraab
  • concentrarcconcentrar · cnocentrar · cocnentrar · conccentrar · concenntrar · concenrtar · concentarr · concentrarr

Frequently Asked Questions

Do "concentraba" and "concentrar" mean the same thing in a sentence?
No. They are said differently ([kõnsẽn̪ˈt̪ɾaβ̞a] versus [kõnsẽn̪ˈt̪ɾaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "concentraba" or "concentrar"?
"concentrar" is the more common of the two: it sits at frequency rank #17,381 in our Spanish list, against #45,827 for "concentraba". 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 "concentraba" 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 #49,467 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "concentraba" and "concentrar" also get mixed up with nearby pairs, the highest-scored neighbour is "concentraba vs concentradas". 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 #49,467 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