Which to use
“dead” is an adjective and “decay” is a noun - they look or sound alike but fill different roles in a sentence.
- #652
- “dead” frequency rank
- #9,160
- “decay” frequency rank
- 9812
- confusion score
Side-by-Side Comparison
| Feature | dead | decay |
|---|---|---|
| Definition | No longer living; deceased. (Also used as a noun.) | Rot; any processes or result of organic matter being gradually decomposed, especially by microbial action. |
Where the eye mixes dead and decay
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between dead and decay
These two trip readers on the page rather than in the ear: dead is /dɛd/ while decay is /dɪˈkeɪ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 9812, derived from the frequency rank of both members and their visual similarity.
dead is recorded at frequency rank #652, classified as anadj, pronounced /dɛd/. decay is at rank #9,160, tagged as anoun, pronounced /dɪˈkeɪ/.
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 9812, this pair ranks #495,463 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of dead vs decay
Shared letters: ade. Private to "dead": -. Private to "decay": cy.
"dead" · 4 letters · shape CVVC · "decay" · 5 letters · shape CVCVV
Known mistypes of this pair
Frequently Asked Questions
Can "dead" and "decay" be used interchangeably?
Frequency check: "dead" vs "decay" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "dead" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "decay" - compare definitions side by side with the headword page. Word entry
- This pair ranks #495,463 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "dead" and "decay" also get mixed up with nearby pairs, the highest-scored neighbour is "decay vs Deccan". 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 #495,463 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.