K2vskosConfusable pair

Quick tell: K2 is a name, kos is a verb, so they fill different roles in a sentence.

Which to use

“K2” is a name and “kos” is a verb - they look or sound alike but fill different roles in a sentence.

#30,140
“K2” frequency rank
#36,463
“kos” frequency rank
66603
confusion score

Side-by-Side Comparison

Feature K2 kos
Definition Mit 8611 Metern Höhe der zweithöchste Berg der Erde, in Pakistan und China gelegen 2. Person Singular Imperativ Präsens Aktiv des Verbs kosen

Where the eye mixes K2 and kos

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
K2
3 ch
kos

Look-alike desk: K2 vs kos

These two trip readers on the page rather than in the ear: K2 is [kaːˈtsvaɪ̯] 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 (name vs verb), which is usually the fastest check. Our composite confusion score for this pair is 66603, derived from the frequency rank of both members and their visual similarity.

K2 is recorded at frequency rank #30,140, classified as aname, pronounced [kaːˈtsvaɪ̯]. 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 66603, this pair ranks #567,664 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of K2 vs kos

Shared letters: k. Private to "K2": -. Private to "kos": os.

"K2" · 1 letters · shape C  ·  "kos" · 3 letters · shape CVC

Frequently Asked Questions

Can "K2" and "kos" be used interchangeably?
No - they are not even the same part of speech. "K2" is a name and "kos" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "K2" or "kos" show up more?
"K2" is the more common of the two: it sits at frequency rank #30,140 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 "K2" 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 #567,664 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "K2" and "kos" also get mixed up with nearby pairs, the highest-scored neighbour is "kola vs kos". Nearby pair

Confusion rank #567,664 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