Which to use
“caían” is a verb and “casa” is a noun - they look or sound alike but fill different roles in a sentence.
- #22,295
- “caían” frequency rank
- #136
- “casa” frequency rank
- 22431
- confusion score
Side-by-Side Comparison
| Feature | caían | casa |
|---|---|---|
| Definition | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito imperfecto de indicativo de caer o de caerse. | Edificación destinada a vivienda. |
Where the eye mixes caían and casa
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: caían vs casa
These two trip readers on the page rather than in the ear: caían is [kaˈiãn] while casa is [ˈkasa]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 22431, derived from the frequency rank of both members and their visual similarity.
caían is recorded at frequency rank #22,295, classified as averb, pronounced [kaˈiãn]. casa is at rank #136, tagged as anoun, pronounced [ˈkasa].
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 22431, this pair ranks #250,372 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of caían vs casa
Shared letters: ac. Private to "caían": ní. Private to "casa": s.
"caían" · 5 letters · shape CVVVC · "casa" · 4 letters · shape CVCV
Known mistypes of this pair
- casa ← acsa · caas · cassa · ccasa · csaa
Frequently Asked Questions
Can "caían" and "casa" be used interchangeably?
In ordinary Spanish text, does "caían" or "casa" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "caían" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "casa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #250,372 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "caían" and "casa" also get mixed up with nearby pairs, the highest-scored neighbour is "caían vs coin". 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 #250,372 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.