Which to use
“súbito” is an adjective and “sumiço” is a noun - they look or sound alike but fill different roles in a sentence.
- #21,891
- “súbito” frequency rank
- #21,888
- “sumiço” frequency rank
- 43779
- confusion score
Side-by-Side Comparison
| Feature | súbito | sumiço |
|---|---|---|
| Definition | repentino | ato ou efeito de sumir; desaparecimento |
Where the eye mixes súbito and sumiço
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. súbito and sumiço follow the identical consonant-vowel pattern (CVCVCV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses súbito with sumiço
These two trip readers on the page rather than in the ear: súbito is /ˈsu.bi.tu/ while sumiço is /su.ˈmi.su/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 43779, derived from the frequency rank of both members and their visual similarity.
súbito is recorded at frequency rank #21,891, classified as anadj, pronounced /ˈsu.bi.tu/. sumiço is at rank #21,888, tagged as anoun, pronounced /su.ˈmi.su/.
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 43779, this pair ranks #21,812 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of súbito vs sumiço
Shared letters: ios. Private to "súbito": btú. Private to "sumiço": muç.
"súbito" · 6 letters · shape CVCVCV · "sumiço" · 6 letters · shape CVCVCV
Frequently Asked Questions
Can "súbito" and "sumiço" be used interchangeably?
Frequency check: "súbito" vs "sumiço" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "súbito" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sumiço" - compare definitions side by side with the headword page. Word entry
- This pair ranks #21,812 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "súbito" and "sumiço" also get mixed up with nearby pairs, the highest-scored neighbour is "sulco vs sumiço". Nearby pair
Confusion rank #21,812 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.