deadvsdeadlyWhich spelling fits?

Which to use

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

#652
“dead” frequency rank
#5,489
“deadly” frequency rank
6141
confusion score

Side-by-Side Comparison

Feature dead deadly
Definition No longer living; deceased. (Also used as a noun.) Subject to death; mortal.

Where the eye mixes dead and deadly

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
dead
6 ch
deadly

Look-alike desk: dead vs deadly

A purely visual mix-up. dead (/dɛd/) and deadly (/ˈdɛdli/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “dead” sits inside “deadly”. Our composite confusion score for this pair is 6141, derived from the frequency rank of both members and their visual similarity.

dead is recorded at frequency rank #652, classified as anadj, pronounced /dɛd/. deadly is at rank #5,489, tagged as anadj, pronounced /ˈdɛdli/.

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 6141, this pair ranks #512,578 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of dead vs deadly

Shared letters: ade. Private to "dead": -. Private to "deadly": ly.

"dead" · 4 letters · shape CVVC  ·  "deadly" · 6 letters · shape CVVCCV

Known mistypes of this pair

  • deaddaed · ddead · deadd · deda · edad
  • deadlydaedly · ddeadly · deaddly · deadlly · deadlyy · deadyl · dealdy · dedaly

Frequently Asked Questions

Is swapping "dead" for "deadly" ever safe?
No. They are said differently (/dɛd/ versus /ˈdɛdli/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "dead" vs "deadly" - which ranks higher?
"dead" is the more common of the two: it sits at frequency rank #652 in our English list, against #5,489 for "deadly". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "dead" and "deadly" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "dead" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "deadly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #512,578 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dead" and "deadly" also get mixed up with nearby pairs, the highest-scored neighbour is "dead vs derp". 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 #512,578 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list