passívelvsplausívelConfusable pair

Which to use

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

#21,830
“passível” frequency rank
#17,355
“plausível” frequency rank
39185
confusion score

Side-by-Side Comparison

Feature passível plausível
Definition que pode ser; que tem a potencialidade de digno ou merecedor de aplauso

Where the eye mixes passível and plausível

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. passível runs 8 letters (CVCCVCVC) against plausível's 9 (CCVVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
passível
9 ch
plausível

Why the eye confuses passível with plausível

A purely visual mix-up. passível (/pɐ.ˈsi.vɛɫ/) and plausível (/plaw.ˈzi.vɛɫ/) 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 letter(s) in length. Our composite confusion score for this pair is 39185, derived from the frequency rank of both members and their visual similarity.

passível is recorded at frequency rank #21,830, classified as anadj, pronounced /pɐ.ˈsi.vɛɫ/. plausível is at rank #17,355, tagged as anadj, pronounced /plaw.ˈzi.vɛɫ/.

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 39185, this pair ranks #27,117 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of passível vs plausível

Shared letters: aelpsví. Private to "passível": -. Private to "plausível": u.

"passível" · 8 letters · shape CVCCVCVC  ·  "plausível" · 9 letters · shape CCVVCVCVC

Frequently Asked Questions

Can "passível" and "plausível" be used interchangeably?
No. They are said differently (/pɐ.ˈsi.vɛɫ/ versus /plaw.ˈzi.vɛɫ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "passível" or "plausível" show up more?
"plausível" is the more common of the two: it sits at frequency rank #17,355 in our Portuguese list, against #21,830 for "passível". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "passível" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "plausível" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #27,117 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "passível" and "plausível" also get mixed up with nearby pairs, the highest-scored neighbour is "passível vs passivo". Nearby pair

Confusion rank #27,117 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