xi
\ksi\
The verdict
“xi” is a regularly-used French word, ranked #6,913 in French word frequency and used as a noun.
- #6,913
- frequency rank, French
- 2
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - ξ, Ξ, quatorzième lettre et dixième consonne de l’alphabet grec.
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 | xi |
| Language | French |
| Part of speech | Noun |
| IPA | \ksi\ |
| Letters | 2 |
| Frequency rank | #6,913 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “xi” sits in French frequency
Spelling & Dictionary Insight
The French entry for xi is 2 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \ksi\. Corpus data places it at rank #6,913 in overall French word frequency, indicating it appears regularly in written and spoken text. The dominant gloss from Wiktionary reads: "ξ, Ξ, quatorzième lettre et dixième consonne de l’alphabet grec.".
We couldn't generate a plausible misspelling set for xi, which points to an orthography that plays by predictable French rules. It also participates in 20 confusable-pair relationships, "XV", "XX", "XL", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Wiktionary doesn't record an etymology for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is xi, spelled X-I.
Definition
- 1ξ, Ξ, quatorzième lettre et dixième consonne de l’alphabet grec.
This word in other languages
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 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “xi”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is X-I - every other letter order is a misspelling in standard orthography.
- Say it as \ksi\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “XV” - see the side-by-side comparison. xi vs XV
- Browse more French words and confusable pairs in the same reference. French 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.