Which to use
“decay” and “dey” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,160
- “decay” frequency rank
- #26,753
- “dey” frequency rank
- 35913
- confusion score
Side-by-Side Comparison
| Feature | decay | dey |
|---|---|---|
| Definition | Rot; any processes or result of organic matter being gradually decomposed, especially by microbial action. | A servant who has charge of the dairy; a dairymaid. |
Where the eye mixes decay and dey
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between decay and dey
A purely visual mix-up. decay (/dɪˈkeɪ/) and dey (/deɪ/) 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 letter(s) in length. Our composite confusion score for this pair is 35913, derived from the frequency rank of both members and their visual similarity.
decay is recorded at frequency rank #9,160, classified as anoun, pronounced /dɪˈkeɪ/. dey is at rank #26,753, tagged as anoun, pronounced /deɪ/.
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 35913, this pair ranks #307,831 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of decay vs dey
Shared letters: dey. Private to "decay": ac. Private to "dey": -.
"decay" · 5 letters · shape CVCVV · "dey" · 3 letters · shape CVV
Known mistypes of this pair
- decay ← dceay · ddecay · deacy · decayy · deccay · decya · edcay
Frequently Asked Questions
Can "decay" and "dey" be used interchangeably?
Frequency check: "decay" vs "dey" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "decay" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dey" - compare definitions side by side with the headword page. Word entry
- This pair ranks #307,831 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "decay" and "dey" also get mixed up with nearby pairs, the highest-scored neighbour is "dey vs dox". 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 #307,831 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.