KoffeinvsKofferWhat's the difference?

Which to use

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

#20,644
“Koffein” frequency rank
#4,903
“Koffer” frequency rank
25547
confusion score

Side-by-Side Comparison

Feature Koffein Koffer
Definition ein farbloser, bitter schmeckender organischer Stoff, der als Aufputschmittel verwendet wird Transportbehältnis für Kleidung, Akten oder andere Gegenstände

Where the eye mixes Koffein and Koffer

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. Koffein runs 7 letters (CVCCVVC) against Koffer's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
Koffein
6 ch
Koffer

Visual trap between Koffein and Koffer

A purely visual mix-up. Koffein ([kɔfeˈiːn]) and Koffer ([ˈkɔfɐ]) 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 1 letter(s) in length. Our composite confusion score for this pair is 25547, 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]. Koffer is at rank #4,903, tagged as anoun, pronounced [ˈkɔfɐ].

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 25547, this pair ranks #1,831,602 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Koffein vs Koffer

Shared letters: efko. Private to "Koffein": in. Private to "Koffer": r.

"Koffein" · 7 letters · shape CVCCVVC  ·  "Koffer" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Koffein ← kfofein · kkoffein · kofefin · kofein · koffeinn · koffeni · koffien · okffein
  • Koffer ← kfofer · kkoffer · kofefr · kofer · kofferr · koffre · okffer

Frequently Asked Questions

Can "Koffein" and "Koffer" be used interchangeably?
No. They are said differently ([kɔfeˈiːn] versus [ˈkɔfɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Koffein" or "Koffer"?
"Koffer" is the more common of the two: it sits at frequency rank #4,903 in our German list, against #20,644 for "Koffein". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Koffein" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Koffer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,831,602 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Koffein" and "Koffer" also get mixed up with nearby pairs, the highest-scored neighbour is "Koffein 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 #1,831,602 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