Which to use
“perigoso” is an adjective and “período” is a noun - they look or sound alike but fill different roles in a sentence.
- #3,634
- “perigoso” frequency rank
- #540
- “período” frequency rank
- 4174
- confusion score
Side-by-Side Comparison
| Feature | perigoso | período |
|---|---|---|
| Definition | arriscado | intervalo de tempo decorrido entre dois momentos, acontecimentos ou datas |
Where the eye mixes perigoso and período
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. perigoso runs 8 letters (CVCVCVCV) against período's 7 (CVCVVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: perigoso vs período
These two trip readers on the page rather than in the ear: perigoso is /pɨ.ɾi.ˈɡo.zu/ while período is [p(ɨ)ɾi'uðu] (nunca de acordo com a grafia: [p(ɨ)'ɾiwðu]). Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 4174, derived from the frequency rank of both members and their visual similarity.
perigoso is recorded at frequency rank #3,634, classified as anadj, pronounced /pɨ.ɾi.ˈɡo.zu/. período is at rank #540, tagged as anoun, pronounced [p(ɨ)ɾi'uðu] (nunca de acordo com a grafia: [p(ɨ)'ɾiwðu]).
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 4174, this pair ranks #70,819 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of perigoso vs período
Shared letters: eopr. Private to "perigoso": gis. Private to "período": dí.
"perigoso" · 8 letters · shape CVCVCVCV · "período" · 7 letters · shape CVCVVCV
Known mistypes of this pair
- perigoso ← eprigoso · peirgoso · pergioso · periggoso · perigoos · perigosso · perigsoo · periogso
Frequently Asked Questions
Is swapping "perigoso" for "período" ever safe?
In ordinary Portuguese text, does "perigoso" or "período" show up more?
What to do next
Eye-level mix-up between "perigoso" and "período" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "perigoso" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "período" - compare definitions side by side with the headword page. Word entry
- This pair ranks #70,819 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "perigoso" and "período" also get mixed up with nearby pairs, the highest-scored neighbour is "período vs périplo". 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 #70,819 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.