KoffeinvsKoffernTell them apart

Which to use

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

#20,644
“Koffein” frequency rank
#36,452
“Koffern” frequency rank
57096
confusion score

Side-by-Side Comparison

Feature Koffein Koffern
Definition ein farbloser, bitter schmeckender organischer Stoff, der als Aufputschmittel verwendet wird Dativ Plural des Substantivs Koffer

Where the eye mixes Koffein and Koffern

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. Koffein (CVCCVVC) and Koffern (CVCCVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

7 ch
Koffein
7 ch
Koffern

Visual trap between Koffein and Koffern

A purely visual mix-up. Koffein ([kɔfeˈiːn]) and Koffern ([ˈkɔfɐn]) 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 - i in “Koffein” becomes r in “Koffern”. Our composite confusion score for this pair is 57096, derived from the frequency rank of both members and their visual similarity.

Koffein is recorded at frequency rank #20,644, classified as anoun, pronounced [kɔfeˈiːn]. Koffern is at rank #36,452, tagged as anoun, pronounced [ˈkɔfɐn].

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 57096, this pair ranks #914,624 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Koffein vs Koffern

Shared letters: efkno. Private to "Koffein": i. Private to "Koffern": r.

"Koffein" · 7 letters · shape CVCCVVC  ·  "Koffern" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • Koffeinkfofein · kkoffein · kofefin · kofein · koffeinn · koffeni · koffien · okffein
  • Koffernkfofern · kkoffern · kofefrn · kofern · koffenr · koffernn · kofferrn · koffren

Frequently Asked Questions

Do "Koffein" and "Koffern" mean the same thing in a sentence?
No. They are said differently ([kɔfeˈiːn] versus [ˈkɔfɐn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Koffein" vs "Koffern" - which ranks higher?
"Koffein" is the more common of the two: it sits at frequency rank #20,644 in our German list, against #36,452 for "Koffern". 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 "Koffein" and "Koffern" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Koffein" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Koffern" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #914,624 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Koffein" and "Koffern" also get mixed up with nearby pairs, the highest-scored neighbour is "ködern vs Koffern". 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 #914,624 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