KfzvskmTell them apart

Which to use

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

#5,192
“Kfz” frequency rank
#764
“km” frequency rank
5956
confusion score

Side-by-Side Comparison

Feature Kfz km
Definition Kurzwort (Akronym) für Kraftfahrzeug Einheitssymbol für Kilometer

Letter map: Kfz vs km

Shared letters muted; letters that set Kfz and km apart highlighted. Shared run: 1.

3 ch
Kfz
2 ch
km

Spelling & dictionary notes on Kfz vs km

Kfz and km are indexed as a confusable German pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 5956, derived from the frequency rank of both members and their visual similarity.

Kfz is recorded at frequency rank #5,192, classified as anabbrev, pronounced [kaːʔɛfˈt͡sɛt]. km is at rank #764, 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 5956, this pair ranks #1,993,172 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Kfz vs km

Shared letters: k. Private to "Kfz": fz. Private to "km": m.

"Kfz" · 3 letters · shape CCC  ·  "km" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "Kfz" for "km" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary German text, does "Kfz" or "km" show up more?
"km" is the more common of the two: it sits at frequency rank #764 in our German list, against #5,192 for "Kfz". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "Kfz" and "km".

  • Full dictionary entry for "Kfz" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "km" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,993,172 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Kfz" and "km" also get mixed up with nearby pairs, the highest-scored neighbour is "Kfz vs Koi". Nearby pair

Confusion rank #1,993,172 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