copavscosConfusable pair

Quick tell: copa is a noun, cos is an abbrev, so they fill different roles in a sentence.

Which to use

“copa” is a noun and “cos” is an abbrev - they look or sound alike but fill different roles in a sentence.

#39,277
“copa” frequency rank
#29,065
“cos” frequency rank
68342
confusion score

Side-by-Side Comparison

Feature copa cos
Definition das Stilglas, das Glas, der Kelch, der Pokal Kosinus

Letter map: copa vs cos

Shared letters muted; letters that set copa and cos apart highlighted. Shared run: 2.

4 ch
copa
3 ch
cos

Part-of-speech tell for copa / cos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: copa is anoun and cosanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 68342, derived from the frequency rank of both members and their visual similarity.

copa is recorded at frequency rank #39,277, classified as anoun, pronounced […]. cos is at rank #29,065, 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 68342, this pair ranks #510,872 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of copa vs cos

Shared letters: co. Private to "copa": ap. Private to "cos": s.

"copa" · 4 letters · shape CVCV  ·  "cos" · 3 letters · shape CVC

Known mistypes of this pair

  • copaccopa · coap · coppa · cpoa · ocpa

Frequently Asked Questions

Is swapping "copa" for "cos" ever safe?
No - they are not even the same part of speech. "copa" is a noun and "cos" an abbrev, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "copa" or "cos" show up more?
"cos" is the more common of the two: it sits at frequency rank #29,065 in our German list, against #39,277 for "copa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "copa" vs "cos" is on the table, pick a follow-up below.

  • Full dictionary entry for "copa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #510,872 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "copa" and "cos" also get mixed up with nearby pairs, the highest-scored neighbour is "copa vs puzzles". 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 #510,872 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