Which to use
“instável” and “inviável” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,871
- “instável” frequency rank
- #20,341
- “inviável” frequency rank
- 30212
- confusion score
Side-by-Side Comparison
| Feature | instável | inviável |
|---|---|---|
| Definition | não estável | por onde não se pode passar; intransponível |
Where the spellings diverge
Shared letters are muted; the letters that actually set instável and inviável apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. instável (/ĩʃ.ˈta.vɛɫ/) and inviável (/ĩ.ˈvja.vɛɫ/) 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 30212, derived from the frequency rank of both members and their visual similarity.
instável is recorded at frequency rank #9,871, classified as anadj, pronounced /ĩʃ.ˈta.vɛɫ/. inviável is at rank #20,341, tagged as anadj, pronounced /ĩ.ˈvja.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 30212, this pair ranks #38,218 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of instável vs inviável
Shared letters: eilnvá. Private to "instável": st. Private to "inviável": -.
"instável" · 8 letters · shape VCCCVCVC · "inviável" · 8 letters · shape VCCVVCVC
Frequency comparison
Frequently Asked Questions
Can "instável" and "inviável" be used interchangeably?
Which is more common, "instável" or "inviável"?
Remembering instável vs inviável
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “instável” entry
- Browse more pairs most likely to be confused. Most confusable