Which to use
“chassis” and “classes” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #14,086
- “chassis” frequency rank
- #1,749
- “classes” frequency rank
- 15835
- confusion score
Side-by-Side Comparison
| Feature | chassis | classes |
|---|---|---|
| Definition | A base frame, or movable railway, along which the carriage of a mounted gun moves backward and forward. | plural of class |
Where the eye mixes chassis and classes
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between chassis and classes
A purely visual mix-up. chassis (/ˈt͡ʃæsi/) and classes (/ˈklɑːsɪz/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 15835, derived from the frequency rank of both members and their visual similarity.
chassis is recorded at frequency rank #14,086, classified as anoun, pronounced /ˈt͡ʃæsi/. classes is at rank #1,749, tagged as anoun, pronounced /ˈklɑːsɪz/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 15835, this pair ranks #461,494 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of chassis vs classes
Shared letters: acs. Private to "chassis": hi. Private to "classes": el.
"chassis" · 7 letters · shape CCVCCVC · "classes" · 7 letters · shape CCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "chassis" for "classes" ever safe?
Frequency check: "chassis" vs "classes" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "chassis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "classes" - compare definitions side by side with the headword page. Word entry
- This pair ranks #461,494 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "chassis" and "classes" also get mixed up with nearby pairs, the highest-scored neighbour is "chassis vs Crassus". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #461,494 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.