diagnostizierenvsdiagnostiziertTell them apart

Which to use

“diagnostizieren” and “diagnostiziert” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#36,877
“diagnostizieren” frequency rank
#16,123
“diagnostiziert” frequency rank
53000
confusion score

Side-by-Side Comparison

Feature diagnostizieren diagnostiziert
Definition eine Krankheit feststellen; eine Diagnose stellen Partizip Perfekt des Verbs diagnostizieren

Where the eye mixes diagnostizieren and diagnostiziert

Muted = shared; highlighted = the visual trap. They share 13 letters in sequence. diagnostizieren runs 15 letters (CVVCCVCCVCVVCVC) against diagnostiziert's 14 (CVVCCVCCVCVVCC) - the length gap alone is often enough to separate them once you know to check it.

15 ch
diagnostizieren
14 ch
diagnostiziert

Why the eye confuses diagnostizieren with diagnostiziert

A purely visual mix-up. diagnostizieren ([ˌdiaɡnɔstiˈt͡siːʁən]) and diagnostiziert ([ˌdiaɡnɔstiˈt͡siːɐ̯t]) 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 53000, derived from the frequency rank of both members and their visual similarity.

diagnostizieren is recorded at frequency rank #36,877, classified as averb, pronounced [ˌdiaɡnɔstiˈt͡siːʁən]. diagnostiziert is at rank #16,123, tagged as averb, pronounced [ˌdiaɡnɔstiˈt͡siːɐ̯t].

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 53000, this pair ranks #1,075,004 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of diagnostizieren vs diagnostiziert

Shared letters: adeginorstz. Private to "diagnostizieren": -. Private to "diagnostiziert": -.

"diagnostizieren" · 15 letters · shape CVVCCVCCVCVVCVC  ·  "diagnostiziert" · 14 letters · shape CVVCCVCCVCVVCC

Known mistypes of this pair

  • diagnostizieren ← daignostizieren · ddiagnostizieren · diaggnostizieren · diagnnostizieren · diagnositzieren · diagnosstizieren · diagnostiizeren · diagnostizeiren
  • diagnostiziert ← daignostiziert · ddiagnostiziert · diaggnostiziert · diagnnostiziert · diagnositziert · diagnosstiziert · diagnostiizert · diagnostizeirt

Frequently Asked Questions

Do "diagnostizieren" and "diagnostiziert" mean the same thing in a sentence?
No. They are said differently ([ˌdiaɡnɔstiˈt͡siːʁən] versus [ˌdiaɡnɔstiˈt͡siːɐ̯t]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "diagnostizieren" vs "diagnostiziert" - which ranks higher?
"diagnostiziert" is the more common of the two: it sits at frequency rank #16,123 in our German list, against #36,877 for "diagnostizieren". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "diagnostizieren" and "diagnostiziert" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "diagnostizieren" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "diagnostiziert" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,075,004 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • 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 #1,075,004 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