Which to use
“costosa” and “costosas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #18,203
- “costosa” frequency rank
- #24,447
- “costosas” frequency rank
- 42650
- confusion score
Side-by-Side Comparison
| Feature | costosa | costosas |
|---|---|---|
| Definition | Forma del femenino de costoso. | Forma del femenino plural de costoso. |
Where the eye mixes costosa and costosas
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. costosa runs 7 letters (CVCCVCV) against costosas's 8 (CVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: costosa vs costosas
A purely visual mix-up. costosa ([kosˈt̪osa]) and costosas ([kosˈt̪osas]) 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 extra letter(s) - “costosa” sits inside “costosas”. Our composite confusion score for this pair is 42650, derived from the frequency rank of both members and their visual similarity.
costosa is recorded at frequency rank #18,203, classified as anadj, pronounced [kosˈt̪osa]. costosas is at rank #24,447, tagged as anadj, pronounced [kosˈt̪osas].
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 42650, this pair ranks #147,016 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of costosa vs costosas
Shared letters: acost. Private to "costosa": -. Private to "costosas": -.
"costosa" · 7 letters · shape CVCCVCV · "costosas" · 8 letters · shape CVCCVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "costosa" and "costosas" mean the same thing in a sentence?
In ordinary Spanish text, does "costosa" or "costosas" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "costosa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "costosas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #147,016 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "costosa" and "costosas" also get mixed up with nearby pairs, the highest-scored neighbour is "costosas vs costuras". 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 #147,016 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.