KoivsKopfConfusable pair

Which to use

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

#46,782
“Koi” frequency rank
#434
“Kopf” frequency rank
47216
confusion score

Side-by-Side Comparison

Feature Koi Kopf
Definition japanische Zuchtform des Karpfens oberster beziehungsweise vorderster Körperteil eines Menschen oder Tieres

Where the eye mixes Koi and Kopf

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. Koi runs 3 letters (CVV) against Kopf's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
Koi
4 ch
Kopf

Visual trap between Koi and Kopf

A purely visual mix-up. Koi ([kɔɪ̯]) and Kopf ([kɔp͡f]) 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 47216, derived from the frequency rank of both members and their visual similarity.

Koi is recorded at frequency rank #46,782, classified as anoun, pronounced [kɔɪ̯]. Kopf is at rank #434, tagged as anoun, pronounced [kɔp͡f].

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 47216, this pair ranks #1,292,200 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Koi vs Kopf

Shared letters: ko. Private to "Koi": i. Private to "Kopf": fp.

"Koi" · 3 letters · shape CVV  ·  "Kopf" · 4 letters · shape CVCC

Known mistypes of this pair

  • Kopf ← kkopf · kofp · kopff · koppf · kpof · okpf

Frequently Asked Questions

Do "Koi" and "Kopf" mean the same thing in a sentence?
No. They are said differently ([kɔɪ̯] versus [kɔp͡f]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Koi" or "Kopf"?
"Kopf" is the more common of the two: it sits at frequency rank #434 in our German list, against #46,782 for "Koi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "Koi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Kopf" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,292,200 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Koi" and "Kopf" also get mixed up with nearby pairs, the highest-scored neighbour is "Koi vs kola". 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 #1,292,200 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