paláciovsplácidoWhich spelling fits?

Quick tell: palácio is a noun, plácido is an adjective, so they fill different roles in a sentence.

Which to use

“palácio” is a noun and “plácido” is an adjective - they look or sound alike but fill different roles in a sentence.

#2,435
“palácio” frequency rank
#42,155
“plácido” frequency rank
44590
confusion score

Side-by-Side Comparison

Feature palácio plácido
Definition habitação suntuosa de um soberano ou personagem importante calmo, tranquilo, sereno

Letter map: palácio vs plácido

Shared letters muted; letters that set palácio and plácido apart highlighted. Shared run: 6. palácio (CVCVCVV) and plácido (CCVCVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

7 ch
palácio
7 ch
plácido

Grammar separator: palácio vs plácido

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: palácio is anoun and plácidoanadjective. On the page they share most of their letters but differ in 5 positions. Our composite confusion score for this pair is 44590, derived from the frequency rank of both members and their visual similarity.

palácio is recorded at frequency rank #2,435, classified as anoun. plácido is at rank #42,155, tagged as anadj.

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 44590, this pair ranks #20,863 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of palácio vs plácido

Shared letters: cilopá. Private to "palácio": a. Private to "plácido": d.

"palácio" · 7 letters · shape CVCVCVV  ·  "plácido" · 7 letters · shape CCVCVCV

Frequently Asked Questions

Is swapping "palácio" for "plácido" ever safe?
No - they are not even the same part of speech. "palácio" is a noun and "plácido" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "palácio" or "plácido"?
"palácio" is the more common of the two: it sits at frequency rank #2,435 in our Portuguese list, against #42,155 for "plácido". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "palácio" vs "plácido" is on the table, pick a follow-up below.

  • Full dictionary entry for "palácio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "plácido" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #20,863 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "palácio" and "plácido" also get mixed up with nearby pairs, the highest-scored neighbour is "placebo vs plácido". Nearby pair

Confusion rank #20,863 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list