Which to use
“piano” is an adjective and “prazo” is a noun - they look or sound alike but fill different roles in a sentence.
- #5,333
- “piano” frequency rank
- #1,796
- “prazo” frequency rank
- 7129
- confusion score
Side-by-Side Comparison
| Feature | piano | prazo |
|---|---|---|
| Definition | demudado de um modo impetuoso e manifestativo para outro recolhidamente oposto | data limite para execução de uma tarefa |
Where the eye mixes piano and prazo
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. piano (CVVCV) and prazo (CCVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Visual trap between piano and prazo
These two trip readers on the page rather than in the ear: piano is /pi.ˈã.nu/ while prazo is /ˈpɾa.zu/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 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 7129, derived from the frequency rank of both members and their visual similarity.
piano is recorded at frequency rank #5,333, classified as anadj, pronounced /pi.ˈã.nu/. prazo is at rank #1,796, tagged as anoun, pronounced /ˈpɾa.zu/.
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 7129, this pair ranks #67,089 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of piano vs prazo
Shared letters: aop. Private to "piano": in. Private to "prazo": rz.
"piano" · 5 letters · shape CVVCV · "prazo" · 5 letters · shape CCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "piano" for "prazo" ever safe?
Which is more common, "piano" or "prazo"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "piano" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prazo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #67,089 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "piano" and "prazo" also get mixed up with nearby pairs, the highest-scored neighbour is "piano vs pilão". 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 #67,089 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.