X
The verdict
“X” is in the everyday core of Portuguese, ranked #529 in Portuguese word frequency and used as a symbol.
- #529
- frequency rank, Portuguese
- 1
- letter
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - forma em caixa alta da vigésima quarta letra do alfabeto latino usado em português; xis
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 | X |
| Language | Portuguese |
| Part of speech | Symbol |
| Letters | 1 |
| Frequency rank | #529 |
| Misspellings tracked | 0 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Where “X” sits in Portuguese frequency
Spelling & Dictionary Insight
The Portuguese entry for X is 1 letters long, classified as a symbol. Corpus data places it at rank #529 in overall Portuguese word frequency, putting it firmly in the everyday core of the language. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
No misspelling variants are generated for X in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 1 confusable-pair relationship, "xô", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
No explicit etymology string is stored 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 X, spelled X.
Definition
- 1forma em caixa alta da vigésima quarta letra do alfabeto latino usado em português; xis
- 2algarismo romano que representa o numeral dez
- 3indica uma variável cujo valor é desconhecido
- 4tipo de raio que atravessa os objetos sólidos e por isso tem utilidades médicas
- 5algo do qual não sabemos nada
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 "X"?
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Is PlainSpell free to use?
Using “X”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Portuguese spelling is X - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “xô” - see the side-by-side comparison. X vs xô
- 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.