Which to use
“Aar” is a name and “alf” is a noun - they look or sound alike but fill different roles in a sentence.
- #45,768
- “Aar” frequency rank
- #25,273
- “alf” frequency rank
- 71041
- confusion score
Side-by-Side Comparison
| Feature | Aar | alf |
|---|---|---|
| Definition | A river in Switzerland, flowing 292 km from the glaciers of the Bernese Alps into the Rhine at Koblenz, on the Swiss–German border. | A supernatural being similar to an elf; one of the Dǫkkálfar or Ljósalfar. |
Letter map: Aar vs alf
Shared letters muted; letters that set Aar and alf apart highlighted. Shared run: 1. Aar (VVC) and alf (VCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Role in the sentence - Aar and alf
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Aar is aname and alfanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 71041, derived from the frequency rank of both members and their visual similarity.
Aar is recorded at frequency rank #45,768, classified as aname, pronounced /ɑɹ/. alf is at rank #25,273, tagged as anoun.
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 71041, this pair ranks #48,217 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of Aar vs alf
Shared letters: a. Private to "Aar": r. Private to "alf": fl.
"Aar" · 3 letters · shape VVC · "alf" · 3 letters · shape VCC
Frequently Asked Questions
Is swapping "Aar" for "alf" ever safe?
Which is more common, "Aar" or "alf"?
What to do next
You've compared "Aar" and "alf". Here's where to go from here.
- Full dictionary entry for "Aar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "alf" - compare definitions side by side with the headword page. Word entry
- This pair ranks #48,217 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Aar" and "alf" also get mixed up with nearby pairs, the highest-scored neighbour is "Aar vs amb". Nearby pair
Confusion rank #48,217 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.