Which to use
“cosmos” is a noun and “costoso” is an adjective - they look or sound alike but fill different roles in a sentence.
- #13,426
- “cosmos” frequency rank
- #12,789
- “costoso” frequency rank
- 26215
- confusion score
Side-by-Side Comparison
| Feature | cosmos | costoso |
|---|---|---|
| Definition | Mundo (conjunto de lo existente). | Lo que cuesta mucho dinero. |
Where the eye mixes cosmos and costoso
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. cosmos runs 6 letters (CVCCVC) against costoso's 7 (CVCCVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: cosmos vs costoso
These two trip readers on the page rather than in the ear: cosmos is [ˈkosmos] while costoso is [kosˈt̪oso]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 26215, derived from the frequency rank of both members and their visual similarity.
cosmos is recorded at frequency rank #13,426, classified as anoun, pronounced [ˈkosmos]. costoso is at rank #12,789, tagged as anadj, pronounced [kosˈt̪oso].
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 26215, this pair ranks #232,742 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cosmos vs costoso
Shared letters: cos. Private to "cosmos": m. Private to "costoso": t.
"cosmos" · 6 letters · shape CVCCVC · "costoso" · 7 letters · shape CVCCVCV
Known mistypes of this pair
Frequently Asked Questions
Can "cosmos" and "costoso" be used interchangeably?
Which is more common, "cosmos" or "costoso"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "cosmos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "costoso" - compare definitions side by side with the headword page. Word entry
- This pair ranks #232,742 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "cosmos" and "costoso" also get mixed up with nearby pairs, the highest-scored neighbour is "chamos vs cosmos". 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 #232,742 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.