caídosvsCairoWhich spelling fits?

Quick tell: caídos is a noun, Cairo is a name, so they fill different roles in a sentence.

Which to use

“caídos” is a noun and “Cairo” is a name - they look or sound alike but fill different roles in a sentence.

#11,374
“caídos” frequency rank
#11,917
“Cairo” frequency rank
23291
confusion score

Side-by-Side Comparison

Feature caídos Cairo
Definition Réditos ya devengados de alguna renta. es la capital de Egipto.

Where the eye mixes caídos and Cairo

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

6 ch
caídos
5 ch
Cairo

Look-alike desk: caídos vs Cairo

These two trip readers on the page rather than in the ear: caídos is [kaˈið̞os] while Cairo is [ˈkajɾo]. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 23291, derived from the frequency rank of both members and their visual similarity.

caídos is recorded at frequency rank #11,374, classified as anoun, pronounced [kaˈið̞os]. 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 23291, this pair ranks #246,476 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of caídos vs Cairo

Shared letters: aco. Private to "caídos": dsí. Private to "Cairo": ir.

"caídos" · 6 letters · shape CVVCVC  ·  "Cairo" · 5 letters · shape CVVCV

Known mistypes of this pair

  • Cairoaciro · caior · cairro · cario · ccairo · ciaro

Frequently Asked Questions

Can "caídos" and "Cairo" be used interchangeably?
No - they are not even the same part of speech. "caídos" is a noun and "Cairo" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "caídos" or "Cairo" show up more?
"caídos" is the more common of the two: it sits at frequency rank #11,374 in our Spanish list, against #11,917 for "Cairo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "caídos" and "Cairo" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "caídos" 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 #246,476 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "caídos" and "Cairo" also get mixed up with nearby pairs, the highest-scored neighbour is "Cairo vs catre". 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 #246,476 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list