Which to use
“acústica” is a noun and “acústico” is an adjective - they look or sound alike but fill different roles in a sentence.
- #18,429
- “acústica” frequency rank
- #22,558
- “acústico” frequency rank
- 40987
- confusion score
Side-by-Side Comparison
| Feature | acústica | acústico |
|---|---|---|
| Definition | Propiedades particulares de una locación con respecto a la propagación del sonido dentro de sus límites. | Perteneciente o relacionado con la audición. |
Where the eye mixes acústica and acústico
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. acústica and acústico follow the identical consonant-vowel pattern (VCVCCVCV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses acústica with acústico
These two trip readers on the page rather than in the ear: acústica is [aˈkust̪ika] while acústico is [aˈkust̪iko]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “acústica” becomes o in “acústico”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 40987, 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]. acústico is at rank #22,558, tagged as anadj, pronounced [aˈkust̪iko].
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 40987, this pair ranks #156,123 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of acústica vs acústico
Shared letters: acistú. Private to "acústica": -. Private to "acústico": o.
"acústica" · 8 letters · shape VCVCCVCV · "acústico" · 8 letters · shape VCVCCVCV
Frequently Asked Questions
Is swapping "acústica" for "acústico" ever safe?
Frequency check: "acústica" vs "acústico" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "acústica" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "acústico" - compare definitions side by side with the headword page. Word entry
- This pair ranks #156,123 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "acústica" and "acústico" also get mixed up with nearby pairs, the highest-scored neighbour is "acústico vs acústicos". Nearby pair
Confusion rank #156,123 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.