Which to use
“CO2” and “coin” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,186
- “CO2” frequency rank
- #40,464
- “coin” frequency rank
- 44650
- confusion score
Side-by-Side Comparison
| Feature | CO2 | coin |
|---|---|---|
| Definition | chemische Summenformel von Kohlendioxid | Winkel, Ecke |
Where the eye mixes CO2 and coin
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: CO2 vs coin
A purely visual mix-up. CO2 ([ˌt͡seːoˈt͡svaɪ̯]) and coin ([kwɛ̃]) 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 44650, 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]. coin is at rank #40,464, tagged as anoun, pronounced [kwɛ̃].
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 44650, this pair ranks #1,379,303 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of CO2 vs coin
Shared letters: co. Private to "CO2": -. Private to "coin": in.
"CO2" · 2 letters · shape CV · "coin" · 4 letters · shape CVVC
Known mistypes of this pair
- coin ← ccoin · coinn · coni · ocin
Frequently Asked Questions
Can "CO2" and "coin" be used interchangeably?
Frequency check: "CO2" vs "coin" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "CO2" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "coin" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,379,303 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "CO2" and "coin" also get mixed up with nearby pairs, the highest-scored neighbour is "coin vs coli". 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 #1,379,303 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.