deadvsdefTell them apart

Which to use

“dead” and “def” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#6,859
“dead” frequency rank
#32,132
“def” frequency rank
38991
confusion score

Side-by-Side Comparison

Feature dead def
Definition morto algo muito bom

Letter map: dead vs def

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

4 ch
dead
3 ch
def

Spelling & dictionary notes on dead vs def

dead and def are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 38991, derived from the frequency rank of both members and their visual similarity.

dead is recorded at frequency rank #6,859, classified as anadj. def is at rank #32,132, tagged as anadj, pronounced /dɛf/.

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 38991, this pair ranks #27,372 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dead vs def

Shared letters: de. Private to "dead": a. Private to "def": f.

"dead" · 4 letters · shape CVVC  ·  "def" · 3 letters · shape CVC

Known mistypes of this pair

  • deaddaed · ddead · deadd · deda · edad

Frequently Asked Questions

Can "dead" and "def" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "dead" vs "def" - which ranks higher?
"dead" is the more common of the two: it sits at frequency rank #6,859 in our Portuguese list, against #32,132 for "def". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "dead" vs "def" is on the table, pick a follow-up below.

  • Full dictionary entry for "dead" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "def" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #27,372 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "dead" and "def" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs def". 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 #27,372 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