keVvskosConfusable pair

Quick tell: keV is a abbrev, kos is a verb, so they fill different roles in a sentence.

Which to use

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

#37,015
“keV” frequency rank
#36,463
“kos” frequency rank
73478
confusion score

Side-by-Side Comparison

Feature keV kos
Definition Kiloelektronenvolt 2. Person Singular Imperativ Präsens Aktiv des Verbs kosen

Letter map: keV vs kos

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

3 ch
keV
3 ch
kos

Grammar separator: keV vs kos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: keV is anabbrev and kosaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 73478, derived from the frequency rank of both members and their visual similarity.

keV is recorded at frequency rank #37,015, classified as anabbrev. kos is at rank #36,463, tagged as averb, pronounced [koːs].

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 73478, this pair ranks #359,295 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of keV vs kos

Shared letters: k. Private to "keV": ev. Private to "kos": os.

"keV" · 3 letters · shape CVC  ·  "kos" · 3 letters · shape CVC

Frequently Asked Questions

Can "keV" and "kos" be used interchangeably?
No - they are not even the same part of speech. "keV" is an abbrev and "kos" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "keV" or "kos" show up more?
"kos" is the more common of the two: it sits at frequency rank #36,463 in our German list, against #37,015 for "keV". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "keV" vs "kos" is on the table, pick a follow-up below.

  • Full dictionary entry for "keV" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #359,295 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "keV" and "kos" also get mixed up with nearby pairs, the highest-scored neighbour is "kola vs kos". Nearby pair

Confusion rank #359,295 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