chassivschassisTell them apart

Which to use

“chassi” and “chassis” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#24,256
“chassi” frequency rank
#28,900
“chassis” frequency rank
53156
confusion score

Side-by-Side Comparison

Feature chassi chassis
Definition quadro, estrutura sobre a qual o carro é montado chassi

Where the eye mixes chassi and chassis

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
chassi
7 ch
chassis

Visual trap between chassi and chassis

A purely visual mix-up. chassi (/ʃa.ˈsi/) and chassis (/ˈt͡ʃæsi/, /ˈʃæsi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “chassi” sits inside “chassis”. Our composite confusion score for this pair is 53156, derived from the frequency rank of both members and their visual similarity.

chassi is recorded at frequency rank #24,256, classified as anoun, pronounced /ʃa.ˈsi/. chassis is at rank #28,900, tagged as anoun, pronounced /ˈt͡ʃæsi/, /ˈʃæsi/.

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 53156, this pair ranks #12,236 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of chassi vs chassis

Shared letters: achis. Private to "chassi": -. Private to "chassis": -.

"chassi" · 6 letters · shape CCVCCV  ·  "chassis" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • chassicahssi · cchassi · chasi · chasis · chhassi · chsasi · hcassi
  • chassiscahssis · cchassis · chasiss · chassiss · chasssi · chhassis · chsasis · hcassis

Frequently Asked Questions

Do "chassi" and "chassis" mean the same thing in a sentence?
No. They are said differently (/ʃa.ˈsi/ versus /ˈt͡ʃæsi/, /ˈʃæsi/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "chassi" vs "chassis" - which ranks higher?
"chassi" is the more common of the two: it sits at frequency rank #24,256 in our Portuguese list, against #28,900 for "chassis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "chassi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "chassis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #12,236 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "chassi" and "chassis" also get mixed up with nearby pairs, the highest-scored neighbour is "chassi vs chess". 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 #12,236 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list