erkrankenvserkrankteWhat's the difference?

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

Which to use

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

#19,895
“erkranken” frequency rank
#14,054
“erkrankte” frequency rank
33949
confusion score

Side-by-Side Comparison

Feature erkranken erkrankte
Definition krank werden; eine Krankheit bekommen Nominativ Singular Femininum der starken Flexion des Positivs des Adjektivs erkrankt

Where the eye mixes erkranken and erkrankte

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. erkranken (VCCCVCCVC) and erkrankte (VCCCVCCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

9 ch
erkranken
9 ch
erkrankte

Why the eye confuses erkranken with erkrankte

These two trip readers on the page rather than in the ear: erkranken is [ɛɐ̯ˈkʁaŋkn̩] while erkrankte is [ɛɐ̯ˈkʁaŋktə]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 33949, 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]. erkrankte is at rank #14,054, tagged as anadj, pronounced [ɛɐ̯ˈkʁaŋktə].

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 33949, this pair ranks #1,674,462 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of erkranken vs erkrankte

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

"erkranken" · 9 letters · shape VCCCVCCVC  ·  "erkrankte" · 9 letters · shape VCCCVCCCV

Known mistypes of this pair

  • erkranken ← ekrranken · erkarnken · erkkranken · erkraknen · erkranekn · erkrankenn · erkrankken · erkrankne
  • erkrankte ← ekrrankte · erkarnkte · erkkrankte · erkraknte · erkranket · erkrankkte · erkranktte · erkrannkte

Frequently Asked Questions

Can "erkranken" and "erkrankte" be used interchangeably?
No - they are not even the same part of speech. "erkranken" is a verb and "erkrankte" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "erkranken" vs "erkrankte" - which ranks higher?
"erkrankte" is the more common of the two: it sits at frequency rank #14,054 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

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

  • Full dictionary entry for "erkranken" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "erkrankte" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,674,462 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "erkranken" and "erkrankte" 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 #1,674,462 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