Which to use
“Cairo” and “casino” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,303
- “Cairo” frequency rank
- #11,598
- “casino” frequency rank
- 20901
- confusion score
Side-by-Side Comparison
| Feature | Cairo | casino |
|---|---|---|
| Definition | capital do Egito, país no qual é a maior cidade, posto que também ocupa no chamado mundo árabe | o mesmo que cassino ("casa", "jogo") |
Where the eye mixes Cairo and casino
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Cairo runs 5 letters (CVVCV) against casino's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between Cairo and casino
A purely visual mix-up. Cairo (/ˈkaj.ɾu/) and casino (/kɐ.ˈzi.nu/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20901, derived from the frequency rank of both members and their visual similarity.
Cairo is recorded at frequency rank #9,303, classified as anoun, pronounced /ˈkaj.ɾu/. casino is at rank #11,598, tagged as anoun, pronounced /kɐ.ˈzi.nu/.
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 20901, this pair ranks #49,507 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Cairo vs casino
Shared letters: acio. Private to "Cairo": r. Private to "casino": ns.
"Cairo" · 5 letters · shape CVVCV · "casino" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Cairo" for "casino" ever safe?
Which is more common, "Cairo" or "casino"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "Cairo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "casino" - compare definitions side by side with the headword page. Word entry
- This pair ranks #49,507 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "Cairo" and "casino" also get mixed up with nearby pairs, the highest-scored neighbour is "cabina vs casino". 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 #49,507 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.