Which to use
“Ahr” is a name and “arc” is a noun - they look or sound alike but fill different roles in a sentence.
- #45,100
- “Ahr” frequency rank
- #23,421
- “arc” frequency rank
- 68521
- confusion score
Side-by-Side Comparison
| Feature | Ahr | arc |
|---|---|---|
| Definition | Fluss im südlichen Nordrhein-Westfalen, Deutschland und im nördlichen Rheinland-Pfalz, linker Nebenfluss des Rheins | der Bogen |
Where the eye mixes Ahr and arc
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. Ahr and arc follow the identical consonant-vowel pattern (VCC). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between Ahr and arc
These two trip readers on the page rather than in the ear: Ahr is [aːɐ̯] while arc is [aʁk]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 68521, derived from the frequency rank of both members and their visual similarity.
Ahr is recorded at frequency rank #45,100, classified as aname, pronounced [aːɐ̯]. arc is at rank #23,421, tagged as anoun, pronounced [aʁk].
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 68521, this pair ranks #505,087 of 2,006,359 scored German confusable pairs - among the most confusable pairs.
Orthographic DNA of Ahr vs arc
Shared letters: ar. Private to "Ahr": h. Private to "arc": c.
"Ahr" · 3 letters · shape VCC · "arc" · 3 letters · shape VCC
Frequently Asked Questions
Is swapping "Ahr" for "arc" ever safe?
Which is more common, "Ahr" or "arc"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "Ahr" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arc" - compare definitions side by side with the headword page. Word entry
- This pair ranks #505,087 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Ahr" and "arc" also get mixed up with nearby pairs, the highest-scored neighbour is "Ahr vs AUD". Nearby pair
Confusion rank #505,087 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.