Which to use
“ash” is a noun and “auf” is an adverb - they look or sound alike but fill different roles in a sentence.
- #11,803
- “ash” frequency rank
- #42,318
- “auf” frequency rank
- 54121
- confusion score
Side-by-Side Comparison
| Feature | ash | auf |
|---|---|---|
| Definition | cinza | aberto |
Where the eye mixes ash and auf
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between ash and auf
These two trip readers on the page rather than in the ear: ash is /æʃ/ while auf is /aʊ̯f/. 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 (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 54121, derived from the frequency rank of both members and their visual similarity.
ash is recorded at frequency rank #11,803, classified as anoun, pronounced /æʃ/. auf is at rank #42,318, tagged as anadv, pronounced /aʊ̯f/.
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 54121, this pair ranks #11,529 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ash vs auf
Shared letters: a. Private to "ash": hs. Private to "auf": fu.
"ash" · 3 letters · shape VCC · "auf" · 3 letters · shape VVC
Frequently Asked Questions
Is swapping "ash" for "auf" ever safe?
In ordinary Portuguese text, does "ash" or "auf" show up more?
Useful next steps
Eye-level mix-up between "ash" and "auf" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ash" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "auf" - compare definitions side by side with the headword page. Word entry
- This pair ranks #11,529 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ash" and "auf" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs auf". Nearby pair
Confusion rank #11,529 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.