Which to use
“cast” is a verb and “Castro” is a name - they look or sound alike but fill different roles in a sentence.
- #24,771
- “cast” frequency rank
- #2,151
- “Castro” frequency rank
- 26922
- confusion score
Side-by-Side Comparison
| Feature | cast | Castro |
|---|---|---|
| Definition | Arrojar, lanzar, tirar. | Apellido. |
Where the eye mixes cast and Castro
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses cast with Castro
These two trip readers on the page rather than in the ear: cast is /kɑːst/ while Castro is [ˈkast̪ɾo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “cast” sits inside “Castro”, and the parts of speech differ too (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 26922, derived from the frequency rank of both members and their visual similarity.
cast is recorded at frequency rank #24,771, classified as averb, pronounced /kɑːst/. Castro is at rank #2,151, tagged as aname, pronounced [ˈkast̪ɾo].
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 26922, this pair ranks #229,294 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cast vs Castro
Shared letters: acst. Private to "cast": -. Private to "Castro": or.
"cast" · 4 letters · shape CVCC · "Castro" · 6 letters · shape CVCCCV
Known mistypes of this pair
Frequently Asked Questions
Can "cast" and "Castro" be used interchangeably?
Frequency check: "cast" vs "Castro" - which ranks higher?
After this comparison
Eye-level mix-up between "cast" and "Castro" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "cast" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Castro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #229,294 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "cast" and "Castro" also get mixed up with nearby pairs, the highest-scored neighbour is "cast vs curt". 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 #229,294 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.