Which to use
“acústica” is a noun and “acústicas” is an adjective - they look or sound alike but fill different roles in a sentence.
- #18,429
- “acústica” frequency rank
- #42,777
- “acústicas” frequency rank
- 61206
- confusion score
Side-by-Side Comparison
| Feature | acústica | acústicas |
|---|---|---|
| Definition | Propiedades particulares de una locación con respecto a la propagación del sonido dentro de sus límites. | Forma del femenino plural de acústico. |
Where the eye mixes acústica and acústicas
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. acústica runs 8 letters (VCVCCVCV) against acústicas's 9 (VCVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between acústica and acústicas
These two trip readers on the page rather than in the ear: acústica is [aˈkust̪ika] while acústicas is [aˈkust̪ikas]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “acústica” sits inside “acústicas”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 61206, derived from the frequency rank of both members and their visual similarity.
acústica is recorded at frequency rank #18,429, classified as anoun, pronounced [aˈkust̪ika]. acústicas is at rank #42,777, tagged as anadj, pronounced [aˈkust̪ikas].
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 61206, this pair ranks #56,276 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of acústica vs acústicas
Shared letters: acistú. Private to "acústica": -. Private to "acústicas": -.
"acústica" · 8 letters · shape VCVCCVCV · "acústicas" · 9 letters · shape VCVCCVCVC
Frequently Asked Questions
Can "acústica" and "acústicas" be used interchangeably?
In ordinary Spanish text, does "acústica" or "acústicas" show up more?
Useful next steps
Eye-level mix-up between "acústica" and "acústicas" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "acústica" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "acústicas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #56,276 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "acústica" and "acústicas" also get mixed up with nearby pairs, the highest-scored neighbour is "acústicas vs acústicos". Nearby pair
Confusion rank #56,276 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.