Which to use
“casi” is an adverb and “creí” is a verb - they look or sound alike but fill different roles in a sentence.
- #221
- “casi” frequency rank
- #6,047
- “creí” frequency rank
- 6268
- confusion score
Side-by-Side Comparison
| Feature | casi | creí |
|---|---|---|
| Definition | Que por poca diferencia no es, que tiene mucha semejanza. | Primera persona del singular (yo) del pretérito perfecto simple de indicativo de creer o de creerse. |
Where the eye mixes casi and creí
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: casi vs creí
These two trip readers on the page rather than in the ear: casi is [ˈkasi] while creí is [kɾeˈi]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 6268, derived from the frequency rank of both members and their visual similarity.
casi is recorded at frequency rank #221, classified as anadv, pronounced [ˈkasi]. creí is at rank #6,047, tagged as averb, pronounced [kɾeˈi].
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 6268, this pair ranks #311,280 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of casi vs creí
Shared letters: c. Private to "casi": ais. Private to "creí": erí.
"casi" · 4 letters · shape CVCV · "creí" · 4 letters · shape CCVV
Known mistypes of this pair
- casi ← acsi · caci · cais · cassi · ccasi · csai
Frequently Asked Questions
Can "casi" and "creí" be used interchangeably?
Which is more common, "casi" or "creí"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "casi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "creí" - compare definitions side by side with the headword page. Word entry
- This pair ranks #311,280 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "casi" and "creí" also get mixed up with nearby pairs, the highest-scored neighbour is "creáis vs creí". 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 #311,280 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.