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 spellings diverge
Shared letters are muted; the letters that actually set acústica and acústicas apart are highlighted. They share 8 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
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
Frequency comparison
Frequently Asked Questions
Can "acústica" and "acústicas" be used interchangeably?
Which is more common, "acústica" or "acústicas"?
Remembering acústica vs acústicas
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “acústica”; for an adjective, it's “acústicas”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “acústica” entry
- Browse more pairs most likely to be confused. Most confusable