Cairo
/ˈkaj.ɾu/
The verdict
“Cairo” is a regularly-used Portuguese word, ranked #9,303 in Portuguese word frequency and used as a noun.
- #9,303
- frequency rank, Portuguese
- 5
- letters
- 6
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - capital do Egito, país no qual é a maior cidade, posto que também ocupa no chamado mundo árabe
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | Cairo |
| Language | Portuguese |
| Part of speech | Noun |
| IPA | /ˈkaj.ɾu/ |
| Letters | 5 |
| Frequency rank | #9,303 |
| Misspellings tracked | 6 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “Cairo” sits in Portuguese frequency
Spelling & Dictionary Insight
The Portuguese entry for Cairo is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈkaj.ɾu/. Corpus data places it at rank #9,303 in overall Portuguese word frequency, indicating it appears regularly in written and spoken text. The dominant gloss from Wiktionary reads: "capital do Egito, país no qual é a maior cidade, posto que também ocupa no chamado mundo árabe".
Our generated misspelling index lists 6 likely wrong-spelling variants for Cairo, with forms such as "aciro", "caior", and "cairro". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "cão", "car", "cio", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
No borrowing history is documented for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Portuguese form is Cairo, spelled C-A-I-R-O.
Definition
- 1capital do Egito, país no qual é a maior cidade, posto que também ocupa no chamado mundo árabe
This word in other languages
Common misspellings
Also misspelled as: aciro,caior,cairro,cario,ccairo,ciaro
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of Cairo - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "Cairo"?
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Is PlainSpell free to use?
Using “Cairo”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Portuguese spelling is C-A-I-R-O - every other letter order is a misspelling in standard orthography.
- Say it as /ˈkaj.ɾu/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “cão” - see the side-by-side comparison. Cairo vs cão
- Browse more Portuguese words and confusable pairs in the same reference. Portuguese words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.