extension
\ɛk.stɑ̃.sjɔ̃\
The verdict
“extension” is a regularly-used French word, ranked #3,195 in French word frequency and used as a noun.
- #3,195
- frequency rank, French
- 9
- letters
- 13
- tracked misspellings
- 4
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Accroissement d’étendue.
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 | extension |
| Language | French |
| Part of speech | Noun |
| IPA | \ɛk.stɑ̃.sjɔ̃\ |
| Letters | 9 |
| Frequency rank | #3,195 |
| Misspellings tracked | 13 |
| Confusable pairs | 4 |
| Source | Wiktionary (kaikki.org) |
Where “extension” sits in French frequency
Spelling & Dictionary Insight
The French entry for extension is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \ɛk.stɑ̃.sjɔ̃\. Corpus data places it at rank #3,195 in overall French word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 14 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 13 likely wrong-spelling variants for extension, with forms such as "etxension", "exetnsion", and "extenison". 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 4 confusable-pair relationships, "extorsion", "extensive", "extensions", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Our source data has no etymology on file for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is extension, spelled E-X-T-E-N-S-I-O-N.
Definition
- 1Accroissement d’étendue.
- 2Action d’étendre un corps, de lui faire acquérir plus de surface.
- 3Action de ce qui s’étend ; se dit surtout des membres.
- 4Propriété d’un corps d’avoir une étendue, d’occuper une portion d’espace
- 5Capacité du sens d’un terme, d’un concept, d’inclure un nombre plus ou moins important d’objets référents
- 6Opération par laquelle on étend, en la tirant, une partie luxée ou fracturée, pour remettre les os dans leur situation naturelle.
- 7Relâchement d’un nerf, d’un tendon, qui vient, par quelque effort, à s’étendre plus qu’il ne faudrait.
- 8Augmentation d’un privilège, d’une autorité.
- 9Interprétation ou application d’une loi, d’une clause, etc., dans un sens plus étendu.
- 10Action d’étendre la signification d’un mot, tient le milieu entre le sens propre et le sens figuré.
- 11Suffixe identifiant le format d’un fichier ou d’un nom de domaine.
- 12Module conçu pour rajouter des possibilités supplémentaires à un programme, à un jeu… Pour un jeu vidéo, on parle plutôt d’addon (ou add-on). Pour un logiciel, on emploie plutôt le mot plug-in.
- 13Terme utilisé dans la théorie des corps, par opposition à sous-corps.
- 14Désignation d’un ensemble d’éléments par énumération explicite de chacun des cas correspondant.
This word in other languages
Common misspellings
Also misspelled as: etxension,exetnsion,extenison,extennsion,extensino,extensionn,extensoin,extenssion,extesnion,extnesion,exttension,exxtension,xetension
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of extension - 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 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “extension”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is E-X-T-E-N-S-I-O-N - every other letter order is a misspelling in standard orthography.
- Say it as \ɛk.stɑ̃.sjɔ̃\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “extorsion” - see the side-by-side comparison. extension vs extorsion
- 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.