Which to use
“acera” and “ayer” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #14,997
- “acera” frequency rank
- #701
- “ayer” frequency rank
- 15698
- confusion score
Side-by-Side Comparison
| Feature | acera | ayer |
|---|---|---|
| Definition | Orilla de la calle por la que se efectúa el tránsito peatonal. | Día inmediatamente anterior al de hoy. |
Where the eye mixes acera and ayer
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between acera and ayer
A purely visual mix-up. acera ([aˈseɾa]) and ayer ([aˈʝeɾ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 15698, derived from the frequency rank of both members and their visual similarity.
acera is recorded at frequency rank #14,997, classified as anoun, pronounced [aˈseɾa]. ayer is at rank #701, tagged as anoun, pronounced [aˈʝeɾ].
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 15698, this pair ranks #279,109 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of acera vs ayer
Shared letters: aer. Private to "acera": c. Private to "ayer": y.
"acera" · 5 letters · shape VCVCV · "ayer" · 4 letters · shape VVVC
Known mistypes of this pair
Frequently Asked Questions
Do "acera" and "ayer" mean the same thing in a sentence?
Frequency check: "acera" vs "ayer" - which ranks higher?
After this comparison
Eye-level mix-up between "acera" and "ayer" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "acera" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ayer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #279,109 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "acera" and "ayer" also get mixed up with nearby pairs, the highest-scored neighbour is "acera vs acogerá". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #279,109 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.