Which to use
“cosa” and “costo” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #234
- “cosa” frequency rank
- #1,763
- “costo” frequency rank
- 1997
- confusion score
Side-by-Side Comparison
| Feature | cosa | costo |
|---|---|---|
| Definition | Nombre con el que se puede designar un objeto real o imaginario, una abstracción o un concepto sin tener que definirlo o nombrarlo. | Precio pagado por un bien o servicio, o imputado a la producción de este. |
Where the eye mixes cosa and costo
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses cosa with costo
A purely visual mix-up. cosa ([ˈkosa]) and costo ([ˈkost̪o]) 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 1997, derived from the frequency rank of both members and their visual similarity.
cosa is recorded at frequency rank #234, classified as anoun, pronounced [ˈkosa]. costo is at rank #1,763, tagged as anoun, pronounced [ˈkost̪o].
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 1997, this pair ranks #321,148 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of cosa vs costo
Shared letters: cos. Private to "cosa": a. Private to "costo": t.
"cosa" · 4 letters · shape CVCV · "costo" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "cosa" and "costo" be used interchangeably?
Frequency check: "cosa" vs "costo" - 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 "cosa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "costo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #321,148 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "cosa" and "costo" also get mixed up with nearby pairs, the highest-scored neighbour is "coin vs cosa". 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 #321,148 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.