klugenvsklugerWhich spelling fits?

Which to use

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

#17,633
“klugen” frequency rank
#20,313
“kluger” frequency rank
37946
confusion score

Side-by-Side Comparison

Feature klugen kluger
Definition Genitiv Singular Maskulinum der starken Flexion des Adjektivs klug Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs klug

Where the eye mixes klugen and kluger

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. klugen and kluger follow the identical consonant-vowel pattern (CCVCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
klugen
6 ch
kluger

Why the eye confuses klugen with kluger

A purely visual mix-up. klugen ([ˈkluːɡn̩]) and kluger ([ˈkluːɡɐ]) 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 a single letter - n in “klugen” becomes r in “kluger”. Our composite confusion score for this pair is 37946, derived from the frequency rank of both members and their visual similarity.

klugen is recorded at frequency rank #17,633, classified as anadj, pronounced [ˈkluːɡn̩]. kluger is at rank #20,313, tagged as anadj, pronounced [ˈkluːɡɐ].

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 37946, this pair ranks #1,576,945 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of klugen vs kluger

Shared letters: egklu. Private to "klugen": n. Private to "kluger": r.

"klugen" · 6 letters · shape CCVCVC  ·  "kluger" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • klugen ← kklugen · klguen · kllugen · kluegn · klugenn · kluggen · klugne · kulgen
  • kluger ← kkluger · klguer · klluger · kluegr · klugerr · klugger · klugre · kulger

Frequently Asked Questions

Is swapping "klugen" for "kluger" ever safe?
No. They are said differently ([ˈkluːɡn̩] versus [ˈkluːɡɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "klugen" vs "kluger" - which ranks higher?
"klugen" is the more common of the two: it sits at frequency rank #17,633 in our German list, against #20,313 for "kluger". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "klugen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kluger" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,576,945 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "klugen" and "kluger" also get mixed up with nearby pairs, the highest-scored neighbour is "klagten vs klugen". 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 #1,576,945 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