konzentrierenvskonzentriertenWhich spelling fits?

Quick tell: konzentrieren is a verb, konzentrierten is an adjective, so they fill different roles in a sentence.

Which to use

“konzentrieren” is a verb and “konzentrierten” is an adjective - they look or sound alike but fill different roles in a sentence.

#3,903
“konzentrieren” frequency rank
#22,402
“konzentrierten” frequency rank
26305
confusion score

Side-by-Side Comparison

Feature konzentrieren konzentrierten
Definition seine Aufmerksamkeit auf eine Sache lenken Genitiv Singular Maskulinum der starken Flexion des Positivs des Adjektivs konzentriert

Where the eye mixes konzentrieren and konzentrierten

Muted = shared; highlighted = the visual trap. They share 13 letters in sequence. konzentrieren runs 13 letters (CVCCVCCCVVCVC) against konzentrierten's 14 (CVCCVCCCVVCCVC) - the length gap alone is often enough to separate them once you know to check it.

13 ch
konzentrieren
14 ch
konzentrierten

Visual trap between konzentrieren and konzentrierten

These two trip readers on the page rather than in the ear: konzentrieren is [kɔnt͡sɛnˈtʁiːʁən] while konzentrierten is [kɔnt͡sɛnˈtʁiːɐ̯tn̩]. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 26305, derived from the frequency rank of both members and their visual similarity.

konzentrieren is recorded at frequency rank #3,903, classified as averb, pronounced [kɔnt͡sɛnˈtʁiːʁən]. konzentrierten is at rank #22,402, tagged as anadj, pronounced [kɔnt͡sɛnˈtʁiːɐ̯tn̩].

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 26305, this pair ranks #1,820,158 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of konzentrieren vs konzentrierten

Shared letters: eiknortz. Private to "konzentrieren": -. Private to "konzentrierten": -.

"konzentrieren" · 13 letters · shape CVCCVCCCVVCVC  ·  "konzentrierten" · 14 letters · shape CVCCVCCCVVCCVC

Known mistypes of this pair

  • konzentrierenkkonzentrieren · knozentrieren · konezntrieren · konnzentrieren · konzenntrieren · konzenrtieren · konzentireren · konzentreiren
  • konzentriertenkkonzentrierten · knozentrierten · konezntrierten · konnzentrierten · konzenntrierten · konzenrtierten · konzentirerten · konzentreirten

Frequently Asked Questions

Is swapping "konzentrieren" for "konzentrierten" ever safe?
No - they are not even the same part of speech. "konzentrieren" is a verb and "konzentrierten" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "konzentrieren" or "konzentrierten"?
"konzentrieren" is the more common of the two: it sits at frequency rank #3,903 in our German list, against #22,402 for "konzentrierten". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "konzentrieren" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "konzentrierten" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,820,158 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "konzentrieren" and "konzentrierten" also get mixed up with nearby pairs, the highest-scored neighbour is "konzentrierten vs konzentrierter". 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 #1,820,158 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list