châssis

\ʃɑ.si\

/\ʃɑ.si\/ noun

The verdict

“châssis” is a moderately-common French word, ranked #11,189 in French word frequency and used as a noun.

#11,189
frequency rank, French
7
letters
10
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Ouvrage composé de plusieurs pièces de menuiserie formant ordinairement des cadres où l’on met des vitres, de la toile ou des feuilles de papier huilé, etc.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

châssis vs classes
57% similar
châssis vs choisis
71% similar
châssis vs classic
57% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for châssis
PropertyValue
Headwordchâssis
LanguageFrench
Part of speechNoun
IPA\ʃɑ.si\
Letters7
Frequency rank#11,189
Misspellings tracked10
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “châssis” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). châssis lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The French entry for châssis is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \ʃɑ.si\. Corpus data places it at rank #11,189 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 13 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 10 likely wrong-spelling variants for châssis, with forms such as "cchâssis", "chassis", and "chhâssis". 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, "classes", "choisis", "classic", 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 châssis, spelled C-H-Â-S-S-I-S.

Definition

  1. 1
    Ouvrage composé de plusieurs pièces de menuiserie formant ordinairement des cadres où l’on met des vitres, de la toile ou des feuilles de papier huilé, etc.
  2. 2
    Sorte de cadre sur lequel on attache, on applique, on fait tenir un tableau, une toile, ou autre chose semblable.
  3. 3
    Ce qui soutient le dessus d’une table.
  4. 4
    Ce qui enferme ou enchâsse quelque chose.
  5. 5
    Fenêtre.
  6. 6
    Sorte de boîte où l’on plaçait les plaques sensibles avant de la mettre dans l’appareil photographique.
  7. 7
    Dispositif permettant de tirer les épreuves positives, soit à la lumière du jour, soit à une lumière artificielle.
  8. 8
    Grands cadres de bois et de fer, élevés perpendiculairement et contre lesquels on fixe les décors.
  9. 9
    Charpente d’un appareil aéronautique.
  10. 10
    Partie d’une voiture supportant tout l’organisme mécanique, moteur, transmission, roues et sièges, par opposition à la carrosserie qui est l'habillage final.
  11. 11
    Corps d’une femme.
  12. 12
    Châssis Biologique. Une fois synthétisé, l’ADN doit être « inséré » dans un châssis biologique pour trouver un environnement favorable à son fonctionnement et traduire les gènes en protéines. Si on fait un parallèle avec l’informatique, l’ADN synthétique joue le rôle de logiciel, et le châssis celui du matériel. Aujourd’hui, on utilise plusieurs châssis naturels, organismes vivants dont on a extrait l’ADN d’origine : la bactérie Escherichia coli, hôte de nos intestins ; la levure, responsable de la fabrication de la bière et du pain, ou le bacille inoffensif B. subtilis, qui se trouve en abondance dans le sol.
  13. 13
    Abri vitré, petite serre servant à protéger des plantes du froid ou à les réchauffer pour en accélérer le développement.

Synonyms

This word in other languages

Common misspellings

Also misspelled as: cchâssis,chassis,chhâssis,chsâsis,châsis,châsiss,châssiss,châsssi,câhssis,hcâssis

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of châssis - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

cchâssis1chassis1chhâssis1chsâsis2châsis1châsiss2châssiss1châsssi2
Edit distance from "châssis"

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

How do you spell "châssis"?
"châssis" is spelled C-H-Â-S-S-I-S. The IPA pronunciation is \ʃɑ.si\.
What does "châssis" mean?
As a noun, "châssis" means: Ouvrage composé de plusieurs pièces de menuiserie formant ordinairement des cadres où l’on met des vitres, de la toile ou des feuilles de papier huilé, etc.
What words are commonly confused with "châssis"?
"châssis" is commonly confused with "classes", "choisis", "classic". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "châssis"?
The IPA (International Phonetic Alphabet) transcription for "châssis" is \ʃɑ.si\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "châssis" come from?
"châssis" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “châssis”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is C-H-Â-S-S-I-S - every other letter order is a misspelling in standard orthography.
  • Say it as \ʃɑ.si\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “classes” - see the side-by-side comparison. châssis vs classes
  • 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list