KiesvskosTell them apart

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

Which to use

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

#18,946
“Kies” frequency rank
#36,463
“kos” frequency rank
55409
confusion score

Side-by-Side Comparison

Feature Kies kos
Definition lose Gesteinsstücke in einer Korngröße von etwa 3 mm bis 30 mm 2. Person Singular Imperativ Präsens Aktiv des Verbs kosen

Where the eye mixes Kies and kos

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

4 ch
Kies
3 ch
kos

Why the eye confuses Kies with kos

These two trip readers on the page rather than in the ear: Kies is [kiːs] while kos is [koːs]. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 55409, derived from the frequency rank of both members and their visual similarity.

Kies is recorded at frequency rank #18,946, classified as anoun, pronounced [kiːs]. 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 55409, this pair ranks #980,716 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Kies vs kos

Shared letters: ks. Private to "Kies": ei. Private to "kos": o.

"Kies" · 4 letters · shape CVVC  ·  "kos" · 3 letters · shape CVC

Known mistypes of this pair

  • Kiesikes · keis · kiess · kise · kkies

Frequently Asked Questions

Do "Kies" and "kos" mean the same thing in a sentence?
No - they are not even the same part of speech. "Kies" is a noun and "kos" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Kies" or "kos"?
"Kies" is the more common of the two: it sits at frequency rank #18,946 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

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

  • Full dictionary entry for "Kies" 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 #980,716 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Kies" and "kos" also get mixed up with nearby pairs, the highest-scored neighbour is "kola vs kos". 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 #980,716 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