Which to use
“CO2” and “coup” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,186
- “CO2” frequency rank
- #16,671
- “coup” frequency rank
- 20857
- confusion score
Side-by-Side Comparison
| Feature | CO2 | coup |
|---|---|---|
| Definition | chemische Summenformel von Kohlendioxid | Treffen, Anschlag, Hieb, Schlag, Streich |
Where the eye mixes CO2 and coup
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses CO2 with coup
A purely visual mix-up. CO2 ([ˌt͡seːoˈt͡svaɪ̯]) and coup ([ku]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20857, derived from the frequency rank of both members and their visual similarity.
CO2 is recorded at frequency rank #4,186, classified as anoun, pronounced [ˌt͡seːoˈt͡svaɪ̯]. coup is at rank #16,671, tagged as anoun, pronounced [ku].
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 20857, this pair ranks #1,892,944 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of CO2 vs coup
Shared letters: co. Private to "CO2": -. Private to "coup": pu.
"CO2" · 2 letters · shape CV · "coup" · 4 letters · shape CVVC
Known mistypes of this pair
- coup ← ccoup · copu · coupp · cuop · ocup
Frequently Asked Questions
Can "CO2" and "coup" be used interchangeably?
In ordinary German text, does "CO2" or "coup" show up more?
Useful next steps
Eye-level mix-up between "CO2" and "coup" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "CO2" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "coup" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,892,944 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "CO2" and "coup" also get mixed up with nearby pairs, the highest-scored neighbour is "coli vs coup". 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 #1,892,944 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.