Which to use
“ado” is a noun and “auf” is an adverb - they look or sound alike but fill different roles in a sentence.
- #31,628
- “ado” frequency rank
- #42,318
- “auf” frequency rank
- 73946
- confusion score
Side-by-Side Comparison
| Feature | ado | auf |
|---|---|---|
| Definition | a fazer | aberto |
Letter map: ado vs auf
Shared letters muted; letters that set ado and auf apart highlighted. Shared run: 1. ado (VCV) and auf (VVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Grammar separator: ado vs auf
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ado is anoun and aufanadverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 73946, derived from the frequency rank of both members and their visual similarity.
ado is recorded at frequency rank #31,628, classified as anoun. 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 73946, this pair ranks #2,651 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ado vs auf
Shared letters: a. Private to "ado": do. Private to "auf": fu.
"ado" · 3 letters · shape VCV · "auf" · 3 letters · shape VVC
Frequently Asked Questions
Do "ado" and "auf" mean the same thing in a sentence?
In ordinary Portuguese text, does "ado" or "auf" show up more?
After this comparison
Done with this confusable. These links stay specific to "ado" and "auf".
- Full dictionary entry for "ado" 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 #2,651 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ado" and "auf" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs auf". Nearby pair
Confusion rank #2,651 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.