kolvskosWhich spelling fits?

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

Which to use

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

#34,215
“kol” frequency rank
#36,463
“kos” frequency rank
70678
confusion score

Side-by-Side Comparison

Feature kol kos
Definition Chemie, ohne Plural chemisches Element mit der Ordnungszahl 6; Kohlenstoff 2. Person Singular Imperativ Präsens Aktiv des Verbs kosen

Where the eye mixes kol and kos

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
kol
3 ch
kos

Look-alike desk: kol vs kos

These two trip readers on the page rather than in the ear: kol is [koːl] while kos is [koːs]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - l in “kol” becomes s in “kos”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 70678, derived from the frequency rank of both members and their visual similarity.

kol is recorded at frequency rank #34,215, classified as anoun, pronounced [koːl]. 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 70678, this pair ranks #439,165 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of kol vs kos

Shared letters: ko. Private to "kol": l. Private to "kos": s.

"kol" · 3 letters · shape CVC  ·  "kos" · 3 letters · shape CVC

Frequently Asked Questions

Can "kol" and "kos" be used interchangeably?
No - they are not even the same part of speech. "kol" is a noun and "kos" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "kol" vs "kos" - which ranks higher?
"kol" is the more common of the two: it sits at frequency rank #34,215 in our German list, against #36,463 for "kos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "kol" 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 #439,165 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "kol" and "kos" also get mixed up with nearby pairs, the highest-scored neighbour is "kola vs kos". Nearby pair

Confusion rank #439,165 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