Which to use
“inegável” and “instável” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,239
- “inegável” frequency rank
- #9,871
- “instável” frequency rank
- 38110
- confusion score
Side-by-Side Comparison
| Feature | inegável | instável |
|---|---|---|
| Definition | que não se pode negar | não estável |
Where the eye mixes inegável and instável
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. inegável (VCVCVCVC) and instável (VCCCVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses inegável with instável
A purely visual mix-up. inegável (/i.nɨ.ˈɡa.vɛɫ/) and instável (/ĩʃ.ˈta.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 38110, derived from the frequency rank of both members and their visual similarity.
inegável is recorded at frequency rank #28,239, classified as anadj, pronounced /i.nɨ.ˈɡa.vɛɫ/. instável is at rank #9,871, tagged as anadj, pronounced /ĩʃ.ˈta.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 38110, this pair ranks #28,403 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of inegável vs instável
Shared letters: eilnvá. Private to "inegável": g. Private to "instável": st.
"inegável" · 8 letters · shape VCVCVCVC · "instável" · 8 letters · shape VCCCVCVC
Frequently Asked Questions
Can "inegável" and "instável" be used interchangeably?
In ordinary Portuguese text, does "inegável" or "instável" show up more?
What to do next
Eye-level mix-up between "inegável" and "instável" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "inegável" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "instável" - compare definitions side by side with the headword page. Word entry
- This pair ranks #28,403 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "inegável" and "instável" also get mixed up with nearby pairs, the highest-scored neighbour is "inegável vs inviável". Nearby pair
Confusion rank #28,403 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.