Which to use
“oc” is a noun and “once” is a num - they look or sound alike but fill different roles in a sentence.
- #26,989
- “oc” frequency rank
- #22,086
- “once” frequency rank
- 49075
- confusion score
Side-by-Side Comparison
| Feature | oc | once |
|---|---|---|
| Definition | der Gänserich, der Ganter; ein männlicher großer Vogel | ein einziges Mal |
Where the eye mixes oc and once
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses oc with once
These two trip readers on the page rather than in the ear: oc is [ɔk] while once is [wʌns]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs num), which is usually the fastest check. Our composite confusion score for this pair is 49075, derived from the frequency rank of both members and their visual similarity.
oc is recorded at frequency rank #26,989, classified as anoun, pronounced [ɔk]. once is at rank #22,086, tagged as anum, pronounced [wʌns].
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 49075, this pair ranks #1,224,956 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of oc vs once
Shared letters: co. Private to "oc": -. Private to "once": en.
"oc" · 2 letters · shape VC · "once" · 4 letters · shape VCCV
Known mistypes of this pair
- once ← noce · ocne · oncce · onec · onnce
Frequently Asked Questions
Is swapping "oc" for "once" ever safe?
In ordinary German text, does "oc" or "once" show up more?
Useful next steps
Eye-level mix-up between "oc" and "once" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "oc" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "once" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,224,956 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "oc" and "once" also get mixed up with nearby pairs, the highest-scored neighbour is "oc vs OGH". 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 #1,224,956 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.