improvisiertvsimprovisiertenWhat's the difference?

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

Which to use

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

#37,584
“improvisiert” frequency rank
#49,796
“improvisierten” frequency rank
87380
confusion score

Side-by-Side Comparison

Feature improvisiert improvisierten
Definition Partizip Perfekt des Verbs improvisieren Genitiv Singular Maskulinum der starken Flexion des Positivs des Adjektivs improvisiert

Where the eye mixes improvisiert and improvisierten

Muted = shared; highlighted = the visual trap. They share 12 letters in sequence.

12 ch
improvisiert
14 ch
improvisierten

Why the eye confuses improvisiert with improvisierten

These two trip readers on the page rather than in the ear: improvisiert is [ɪmpʁoviˈziːɐ̯t] while improvisierten is [ɪmpʁoviˈziːɐ̯tn̩]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “improvisiert” sits inside “improvisierten”, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 87380, derived from the frequency rank of both members and their visual similarity.

improvisiert is recorded at frequency rank #37,584, classified as averb, pronounced [ɪmpʁoviˈziːɐ̯t]. improvisierten is at rank #49,796, tagged as anadj, pronounced [ɪmpʁoviˈziːɐ̯tn̩].

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 87380, this pair ranks #81,124 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of improvisiert vs improvisierten

Shared letters: eimoprstv. Private to "improvisiert": -. Private to "improvisierten": n.

"improvisiert" · 12 letters · shape VCCCVCVCVVCC  ·  "improvisierten" · 14 letters · shape VCCCVCVCVVCCVC

Known mistypes of this pair

  • improvisiertimmprovisiert · imporvisiert · impprovisiert · improivsiert · improviisert · improviseirt · improvisierrt · improvisiertt
  • improvisiertenimmprovisierten · imporvisierten · impprovisierten · improivsierten · improviiserten · improviseirten · improvisieretn · improvisierrten

Frequently Asked Questions

Is swapping "improvisiert" for "improvisierten" ever safe?
No - they are not even the same part of speech. "improvisiert" is a verb and "improvisierten" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "improvisiert" or "improvisierten"?
"improvisiert" is the more common of the two: it sits at frequency rank #37,584 in our German list, against #49,796 for "improvisierten". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "improvisiert" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "improvisierten" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #81,124 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "improvisiert" and "improvisierten" also get mixed up with nearby pairs, the highest-scored neighbour is "improvisieren vs improvisierten". 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 #81,124 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