épaisseur
\e.pɛ.sœʁ\
The verdict
“épaisseur” is a regularly-used French word, ranked #6,455 in French word frequency and used as a noun.
- #6,455
- frequency rank, French
- 9
- letters
- 11
- tracked misspellings
- 3
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Qualité de ce qui est épais.
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 | épaisseur |
| Language | French |
| Part of speech | Noun |
| IPA | \e.pɛ.sœʁ\ |
| Letters | 9 |
| Frequency rank | #6,455 |
| Misspellings tracked | 11 |
| Confusable pairs | 3 |
| Source | Wiktionary (kaikki.org) |
Where “épaisseur” sits in French frequency
Spelling & Dictionary Insight
The French entry for épaisseur is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \e.pɛ.sœʁ\. Corpus data places it at rank #6,455 in overall French word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 11 likely wrong-spelling variants for épaisseur, with forms such as "epaisseur", "péaisseur", and "éapisseur". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 3 confusable-pair relationships, "épaisseurs", "épaisse", "épaisses", where similar look or sound leads writers to substitute one word for another in context.
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. For readers arriving here from a spelling check, the authoritative guidance is: the correct French form is épaisseur, spelled É-P-A-I-S-S-E-U-R, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1Qualité de ce qui est épais.
- 2Dimension dans le sens horizontal, en parlant d’un corps solide compris entre deux surfaces plus ou moins longues et plus ou moins larges ; profondeur. Dimension d'un caractère typographique parallèlement à la ligne de base.
- 3Endroit où le bois ou la forêt est profond.
- 4La matière concrète de l’objet, considéré dans cette troisième dimension.
- 5Degré de densité et de matière d’un tissu ou degré de consistance d’un liquide.
- 6Densité ou opacité des choses physiques.
- 7Dans une course hippique, position extérieure du cheval (ou de plusieurs chevaux qui se suivent en file indienne) qui évolue sur une ligne parallèle à ceux qui se trouvent au plus proche de la corde.
- 8Consistance, profondeur de quelque chose.
This word in other languages
Common misspellings
Also misspelled as: epaisseur,péaisseur,éapisseur,épaisesur,épaiseur,épaisseru,épaisseurr,épaissuer,épasiseur,épiasseur,éppaisseur
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of épaisseur - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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.
Cite this page
Free to reuse with attribution (CC BY-SA). Copy the citation:
PlainSpell, “épaisseur, French word data” (May 6, 2026). Derived from Wiktionary (kaikki.org, CC BY-SA) and an open word-frequency list. https://plainspell.com/fr/mot/epaisseur
Frequently Asked Questions
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Using “épaisseur”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is É-P-A-I-S-S-E-U-R - every other letter order is a misspelling in standard orthography.
- Say it as \e.pɛ.sœʁ\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “épaisseurs” - see the side-by-side comparison. épaisseur vs épaisseurs
- Browse more French words and confusable pairs in the same reference. French words
Nearby French words
Other entries that begin with the letter É in our French index: