KernvskleinWhat's the difference?

Quick tell: Kern is a noun, klein is an adjective, so they fill different roles in a sentence.

Which to use

“Kern” is a noun and “klein” is an adjective - they look or sound alike but fill different roles in a sentence.

#2,602
“Kern” frequency rank
#995
“klein” frequency rank
3597
confusion score

Side-by-Side Comparison

Feature Kern klein
Definition in der Mitte befindlicher Hauptbestandteil eines Ganzen; Basis, Zentrum von geringem Ausmaß

Where the eye mixes Kern and klein

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
Kern
5 ch
klein

Look-alike desk: Kern vs klein

These two trip readers on the page rather than in the ear: Kern is [kɛʁn] while klein is [klaɪ̯n]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 3597, derived from the frequency rank of both members and their visual similarity.

Kern is recorded at frequency rank #2,602, classified as anoun, pronounced [kɛʁn]. klein is at rank #995, tagged as anadj, pronounced [klaɪ̯n].

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 3597, this pair ranks #1,999,836 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Kern vs klein

Shared letters: ekn. Private to "Kern": r. Private to "klein": il.

"Kern" · 4 letters · shape CVCC  ·  "klein" · 5 letters · shape CCVVC

Known mistypes of this pair

  • Kernekrn · kenr · kernn · kerrn · kkern · kren
  • kleinkelin · kklein · kleinn · kleni · klien · kllein · lkein

Frequently Asked Questions

Is swapping "Kern" for "klein" ever safe?
No - they are not even the same part of speech. "Kern" is a noun and "klein" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Kern" vs "klein" - which ranks higher?
"klein" is the more common of the two: it sits at frequency rank #995 in our German list, against #2,602 for "Kern". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Kern" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "klein" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,999,836 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Kern" and "klein" also get mixed up with nearby pairs, the highest-scored neighbour is "Kern vs ködern". 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 #1,999,836 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