erkrankenvserkranktenTell them apart

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

Which to use

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

#19,895
“erkranken” frequency rank
#12,902
“erkrankten” frequency rank
32797
confusion score

Side-by-Side Comparison

Feature erkranken erkrankten
Definition krank werden; eine Krankheit bekommen Genitiv Singular Maskulinum der starken Flexion des Positivs des Adjektivs erkrankt

Where the eye mixes erkranken and erkrankten

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

9 ch
erkranken
10 ch
erkrankten

Why the eye confuses erkranken with erkrankten

These two trip readers on the page rather than in the ear: erkranken is [ɛɐ̯ˈkʁaŋkn̩] while erkrankten is [ɛɐ̯ˈkʁaŋktn̩]. 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 32797, derived from the frequency rank of both members and their visual similarity.

erkranken is recorded at frequency rank #19,895, classified as averb, pronounced [ɛɐ̯ˈkʁaŋkn̩]. erkrankten is at rank #12,902, tagged as anadj, pronounced [ɛɐ̯ˈkʁaŋktn̩].

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 32797, this pair ranks #1,699,814 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of erkranken vs erkrankten

Shared letters: aeknr. Private to "erkranken": -. Private to "erkrankten": t.

"erkranken" · 9 letters · shape VCCCVCCVC  ·  "erkrankten" · 10 letters · shape VCCCVCCCVC

Known mistypes of this pair

  • erkranken ← ekrranken · erkarnken · erkkranken · erkraknen · erkranekn · erkrankenn · erkrankken · erkrankne
  • erkrankten ← ekrrankten · erkarnkten · erkkrankten · erkraknten · erkranketn · erkrankkten · erkranktenn · erkranktne

Frequently Asked Questions

Do "erkranken" and "erkrankten" mean the same thing in a sentence?
No - they are not even the same part of speech. "erkranken" is a verb and "erkrankten" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "erkranken" or "erkrankten"?
"erkrankten" is the more common of the two: it sits at frequency rank #12,902 in our German list, against #19,895 for "erkranken". 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 "erkranken" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "erkrankten" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,699,814 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "erkranken" and "erkrankten" also get mixed up with nearby pairs, the highest-scored neighbour is "erkranken vs ertränken". 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 #1,699,814 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