Which to use
“caían” is a verb and “Cairo” is a name - they look or sound alike but fill different roles in a sentence.
- #22,295
- “caían” frequency rank
- #11,917
- “Cairo” frequency rank
- 34212
- confusion score
Side-by-Side Comparison
| Feature | caían | Cairo |
|---|---|---|
| Definition | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito imperfecto de indicativo de caer o de caerse. | es la capital de Egipto. |
Where the eye mixes caían and Cairo
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. caían (CVVVC) and Cairo (CVVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses caían with Cairo
These two trip readers on the page rather than in the ear: caían is [kaˈiãn] while Cairo is [ˈkajɾo]. 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 (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 34212, 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]. Cairo is at rank #11,917, tagged as aname, pronounced [ˈkajɾo].
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 34212, this pair ranks #192,641 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of caían vs Cairo
Shared letters: ac. Private to "caían": ní. Private to "Cairo": ior.
"caían" · 5 letters · shape CVVVC · "Cairo" · 5 letters · shape CVVCV
Known mistypes of this pair
- Cairo ← aciro · caior · cairro · cario · ccairo · ciaro
Frequently Asked Questions
Is swapping "caían" for "Cairo" ever safe?
Which is more common, "caían" or "Cairo"?
What to do next
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 "Cairo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #192,641 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "caían" and "Cairo" 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 #192,641 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.