konstruierenvskonstruiertenTell them apart

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

Which to use

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

#18,958
“konstruieren” frequency rank
#33,679
“konstruierten” frequency rank
52637
confusion score

Side-by-Side Comparison

Feature konstruieren konstruierten
Definition ein kompliziertes technisches Objekt neu entwerfen Genitiv Singular Maskulinum der starken Flexion des Positivs des Adjektivs konstruiert

Where the eye mixes konstruieren and konstruierten

Muted = shared; highlighted = the visual trap. They share 12 letters in sequence. konstruieren runs 12 letters (CVCCCCVVVCVC) against konstruierten's 13 (CVCCCCVVVCCVC) - the length gap alone is often enough to separate them once you know to check it.

12 ch
konstruieren
13 ch
konstruierten

Visual trap between konstruieren and konstruierten

These two trip readers on the page rather than in the ear: konstruieren is [kɔnstʁuˈiːʁən] while konstruierten is [kɔnstʁuˈiːɐ̯tn̩]. 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 52637, derived from the frequency rank of both members and their visual similarity.

konstruieren is recorded at frequency rank #18,958, classified as averb, pronounced [kɔnstʁuˈiːʁən]. konstruierten is at rank #33,679, tagged as anadj, pronounced [kɔnstʁuˈiːɐ̯tn̩].

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 52637, this pair ranks #1,089,097 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of konstruieren vs konstruierten

Shared letters: eiknorstu. Private to "konstruieren": -. Private to "konstruierten": -.

"konstruieren" · 12 letters · shape CVCCCCVVVCVC  ·  "konstruierten" · 13 letters · shape CVCCCCVVVCCVC

Known mistypes of this pair

  • konstruieren ← kkonstruieren · knostruieren · konnstruieren · konsrtuieren · konsstruieren · konstriueren · konstrruieren · konstrueiren
  • konstruierten ← kkonstruierten · knostruierten · konnstruierten · konsrtuierten · konsstruierten · konstriuerten · konstrruierten · konstrueirten

Frequently Asked Questions

Is swapping "konstruieren" for "konstruierten" ever safe?
No - they are not even the same part of speech. "konstruieren" is a verb and "konstruierten" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "konstruieren" vs "konstruierten" - which ranks higher?
"konstruieren" is the more common of the two: it sits at frequency rank #18,958 in our German list, against #33,679 for "konstruierten". 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 "konstruieren" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "konstruierten" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,089,097 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "konstruieren" and "konstruierten" also get mixed up with nearby pairs, the highest-scored neighbour is "konstruierte vs konstruierten". 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 #1,089,097 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