Which to use
“Casey” is a name and “casi” is an adverb - they look or sound alike but fill different roles in a sentence.
- #22,597
- “Casey” frequency rank
- #221
- “casi” frequency rank
- 22818
- confusion score
Side-by-Side Comparison
| Feature | Casey | casi |
|---|---|---|
| Definition | Apellido. | Que por poca diferencia no es, que tiene mucha semejanza. |
Where the eye mixes Casey and casi
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between Casey and casi
These two trip readers on the page rather than in the ear: Casey is /ˈkeɪsi/ while casi is [ˈkasi]. 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 (name vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 22818, derived from the frequency rank of both members and their visual similarity.
Casey is recorded at frequency rank #22,597, classified as aname, pronounced /ˈkeɪsi/. casi is at rank #221, tagged as anadv, pronounced [ˈkasi].
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 22818, this pair ranks #248,608 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Casey vs casi
Shared letters: acs. Private to "Casey": ey. Private to "casi": i.
"Casey" · 5 letters · shape CVCVV · "casi" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Casey" for "casi" ever safe?
Frequency check: "Casey" vs "casi" - which ranks higher?
Useful next steps
Eye-level mix-up between "Casey" and "casi" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Casey" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "casi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #248,608 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "Casey" and "casi" also get mixed up with nearby pairs, the highest-scored neighbour is "camel vs Casey". 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 #248,608 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.