KerbervsKetzerTell them apart

Quick tell: Kerber is a name, Ketzer is a noun, so they fill different roles in a sentence.

Which to use

“Kerber” is a name and “Ketzer” is a noun - they look or sound alike but fill different roles in a sentence.

#21,660
“Kerber” frequency rank
#30,144
“Ketzer” frequency rank
51804
confusion score

Side-by-Side Comparison

Feature Kerber Ketzer
Definition Familienname jemand, der kirchliche Dogmen und Glaubenslehren ablehnt und/oder öffentlich kritisiert

Where the eye mixes Kerber and Ketzer

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
Kerber
6 ch
Ketzer

Why the eye confuses Kerber with Ketzer

These two trip readers on the page rather than in the ear: Kerber is [ˈkɛʁbɐ] while Ketzer is [ˈkɛt͡sɐ]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 51804, derived from the frequency rank of both members and their visual similarity.

Kerber is recorded at frequency rank #21,660, classified as aname, pronounced [ˈkɛʁbɐ]. Ketzer is at rank #30,144, tagged as anoun, pronounced [ˈkɛt͡sɐ].

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 51804, this pair ranks #1,121,385 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Kerber vs Ketzer

Shared letters: ekr. Private to "Kerber": b. Private to "Ketzer": tz.

"Kerber" · 6 letters · shape CVCCVC  ·  "Ketzer" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Kerberekrber · kebrer · kerbber · kerberr · kerbre · kerebr · kerrber · kkerber
  • Ketzerektzer · ketezr · kettzer · ketzerr · ketzre · ketzzer · kezter · kketzer

Frequently Asked Questions

Is swapping "Kerber" for "Ketzer" ever safe?
No - they are not even the same part of speech. "Kerber" is a name and "Ketzer" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Kerber" or "Ketzer" show up more?
"Kerber" is the more common of the two: it sits at frequency rank #21,660 in our German list, against #30,144 for "Ketzer". 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 "Kerber" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ketzer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,121,385 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Kerber" and "Ketzer" also get mixed up with nearby pairs, the highest-scored neighbour is "Ketzer vs Kutter". 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 #1,121,385 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