kacvskeVWhich spelling fits?

Quick tell: kac is a noun, keV is an abbrev, so they fill different roles in a sentence.

Which to use

“kac” is a noun and “keV” is an abbrev - they look or sound alike but fill different roles in a sentence.

#43,278
“kac” frequency rank
#37,015
“keV” frequency rank
80293
confusion score

Side-by-Side Comparison

Feature kac keV
Definition körperliches Unwoholsein nach übermäßigem Alkoholkonsum; Kater, Katzenjammer, Katerstimmung, Hangover, Hang-over Kiloelektronenvolt

Letter map: kac vs keV

Shared letters muted; letters that set kac and keV apart highlighted. Shared run: 1. kac and keV follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
kac
3 ch
keV

Role in the sentence - kac and keV

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: kac is anoun and keVanabbrev. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 80293, derived from the frequency rank of both members and their visual similarity.

kac is recorded at frequency rank #43,278, classified as anoun, pronounced [kat͡s]. keV is at rank #37,015, tagged as anabbrev.

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 80293, this pair ranks #198,598 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of kac vs keV

Shared letters: k. Private to "kac": ac. Private to "keV": ev.

"kac" · 3 letters · shape CVC  ·  "keV" · 3 letters · shape CVC

Frequently Asked Questions

Can "kac" and "keV" be used interchangeably?
No - they are not even the same part of speech. "kac" is a noun and "keV" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "kac" vs "keV" - which ranks higher?
"keV" is the more common of the two: it sits at frequency rank #37,015 in our German list, against #43,278 for "kac". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "kac" and "keV". Here's where to go from here.

  • Full dictionary entry for "kac" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "keV" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #198,598 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "kac" and "keV" also get mixed up with nearby pairs, the highest-scored neighbour is "kac vs KGaA". Nearby pair

Confusion rank #198,598 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