chassis

/ˈt͡ʃæsi/

//ˈt͡ʃæsi// noun

"chassis" is a 7-letter English headword indexed on PlainSpell.

The verdict

“chassis” is a moderately-common English word, ranked #14,086 in English word frequency and used as a noun.

#14,086
frequency rank, English
7
letters
9
tracked misspellings
6
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A base frame, or movable railway, along which the carriage of a mounted gun moves backward and forward.

Visual similarity to commonly confused words

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

chassis vs classes
71% similar
chassis vs classic
71% similar
chassis vs Crassus
57% similar

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

Key facts for chassis
PropertyValue
Headwordchassis
LanguageEnglish
Part of speechNoun
IPA/ˈt͡ʃæsi/
Letters7
Frequency rank#14,086
Misspellings tracked9
Confusable pairs6
SourceWiktionary (kaikki.org)

Where “chassis” sits in English 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). chassis 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 English entry for chassis is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈt͡ʃæsi/. Corpus data places it at rank #14,086 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 9 likely wrong-spelling variants for chassis, with forms such as "cahssis", "cchassis", and "chasis". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 6 confusable-pair relationships, "classes", "classic", "Crassus", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Borrowed from French châssis, from châsse, from Latin capsa (“case”). The correct English form is chassis, spelled C-H-A-S-S-I-S.

Definition

  1. 1
    A base frame, or movable railway, along which the carriage of a mounted gun moves backward and forward.
  2. 2
    The base frame of a vehicle, such as a motor vehicle.
  3. 3
    A frame or housing containing electrical or mechanical equipment, such as on a computer.
  4. 4
    A woman's buttocks.

Etymology

Borrowed from French châssis, from châsse, from Latin capsa (“case”).

This word in other languages

Common misspellings

Also misspelled as: cahssis,cchassis,chasis,chasiss,chassiss,chasssi,chhassis,chsasis,hcassis

Misspelling Pattern Breakdown

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

cahssis2cchassis1chasis1chasiss2chassiss1chasssi2chhassis1chsasis2
Edit distance from "chassis"

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "chassis"?
"chassis" is spelled C-H-A-S-S-I-S. The IPA pronunciation is /ˈt͡ʃæsi/.
What does "chassis" mean?
As a noun, "chassis" means: A base frame, or movable railway, along which the carriage of a mounted gun moves backward and forward.
What words are commonly confused with "chassis"?
"chassis" is commonly confused with "classes", "classic", "Crassus". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "chassis"?
The IPA (International Phonetic Alphabet) transcription for "chassis" is /ˈt͡ʃæsi/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "chassis"?
Borrowed from French châssis, from châsse, from Latin capsa (“case”). See the full etymology section above for more details.
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 “chassis”

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

  • The one correct English spelling is C-H-A-S-S-I-S - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈt͡ʃæsi/ (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. chassis vs classes
  • Browse more English words and confusable pairs in the same reference. English 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