Which to use
“ao” is a contraction and “as” is a noun - they look or sound alike but fill different roles in a sentence.
- #21,556
- “ao” frequency rank
- #1,886
- “as” frequency rank
- 23442
- confusion score
Side-by-Side Comparison
| Feature | ao | as |
|---|---|---|
| Definition | Contracción de la preposición a ("a") y el artículo o ("el"): (al). | Cada una de las cartas marcadas con la unidad en los juegos de naipes. |
Where the eye mixes ao and as
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses ao with as
These two trip readers on the page rather than in the ear: ao is [ɔ] while as is [ˈas]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - o in “ao” becomes s in “as”, and the parts of speech differ too (contraction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 23442, derived from the frequency rank of both members and their visual similarity.
ao is recorded at frequency rank #21,556, classified as acontraction, pronounced [ɔ]. as is at rank #1,886, tagged as anoun, pronounced [ˈas].
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 23442, this pair ranks #245,797 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ao vs as
Shared letters: a. Private to "ao": o. Private to "as": s.
"ao" · 2 letters · shape VV · "as" · 2 letters · shape VC
Frequently Asked Questions
Do "ao" and "as" mean the same thing in a sentence?
In ordinary Spanish text, does "ao" or "as" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ao" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "as" - compare definitions side by side with the headword page. Word entry
- This pair ranks #245,797 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ao" and "as" also get mixed up with nearby pairs, the highest-scored neighbour is "alió vs ao". Nearby pair
Confusion rank #245,797 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.