schlimmenvsschlummernWhat's the difference?

Quick tell: schlimmen is a adjective, schlummern is a verb, so they fill different roles in a sentence.

Which to use

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

#13,009
“schlimmen” frequency rank
#44,894
“schlummern” frequency rank
57903
confusion score

Side-by-Side Comparison

Feature schlimmen schlummern
Definition Genitiv Singular Maskulinum der starken Flexion des Adjektivs schlimm ruhig, seicht schlafen

Where the eye mixes schlimmen and schlummern

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. schlimmen runs 9 letters (CCCCVCCVC) against schlummern's 10 (CCCCVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
schlimmen
10 ch
schlummern

Why the eye confuses schlimmen with schlummern

These two trip readers on the page rather than in the ear: schlimmen is [ˈʃlɪmən] while schlummern is [ˈʃlʊmɐn]. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 57903, derived from the frequency rank of both members and their visual similarity.

schlimmen is recorded at frequency rank #13,009, classified as anadj, pronounced [ˈʃlɪmən]. schlummern is at rank #44,894, tagged as averb, pronounced [ˈʃlʊmɐn].

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 57903, this pair ranks #883,322 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of schlimmen vs schlummern

Shared letters: cehlmns. Private to "schlimmen": i. Private to "schlummern": ru.

"schlimmen" · 9 letters · shape CCCCVCCVC  ·  "schlummern" · 10 letters · shape CCCCVCCVCC

Known mistypes of this pair

  • schlimmencshlimmen · scchlimmen · schhlimmen · schilmmen · schlimemn · schlimen · schlimmenn · schlimmne
  • schlummerncshlummern · scchlummern · schhlummern · schllummern · schlmumern · schlumemrn · schlumern · schlummenr

Frequently Asked Questions

Can "schlimmen" and "schlummern" be used interchangeably?
No - they are not even the same part of speech. "schlimmen" is an adjective and "schlummern" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "schlimmen" or "schlummern" show up more?
"schlimmen" is the more common of the two: it sits at frequency rank #13,009 in our German list, against #44,894 for "schlummern". 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 "schlimmen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "schlummern" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #883,322 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "schlimmen" and "schlummern" also get mixed up with nearby pairs, the highest-scored neighbour is "Schlemmer vs schlummern". 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 #883,322 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