deadvsdiasWhich spelling fits?

Quick tell: dead is a adjective, dias is a noun, so they fill different roles in a sentence.

Which to use

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

#6,859
“dead” frequency rank
#139
“dias” frequency rank
6998
confusion score

Side-by-Side Comparison

Feature dead dias
Definition morto plural de dia

Letter map: dead vs dias

Shared letters muted; letters that set dead and dias apart highlighted. Shared run: 2.

4 ch
dead
4 ch
dias

Grammar separator: dead vs dias

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dead is anadjective and diasanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 6998, derived from the frequency rank of both members and their visual similarity.

dead is recorded at frequency rank #6,859, classified as anadj. dias is at rank #139, tagged as anoun, pronounced /ˈdiɐʃ/.

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 6998, this pair ranks #67,263 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of dead vs dias

Shared letters: ad. Private to "dead": e. Private to "dias": is.

"dead" · 4 letters · shape CVVC  ·  "dias" · 4 letters · shape CVVC

Known mistypes of this pair

  • deaddaed · ddead · deadd · deda · edad
  • diasdais · ddias · diass · disa · idas

Frequently Asked Questions

Do "dead" and "dias" mean the same thing in a sentence?
No - they are not even the same part of speech. "dead" is an adjective and "dias" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "dead" or "dias" show up more?
"dias" is the more common of the two: it sits at frequency rank #139 in our Portuguese list, against #6,859 for "dead". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "dead" and "dias".

  • Full dictionary entry for "dead" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dias" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #67,263 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dead" and "dias" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dead". 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 #67,263 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