Which to use
“decals” is a noun and “decays” is a verb - they look or sound alike but fill different roles in a sentence.
- #32,760
- “decals” frequency rank
- #42,595
- “decays” frequency rank
- 75355
- confusion score
Side-by-Side Comparison
| Feature | decals | decays |
|---|---|---|
| Definition | plural of decal | third-person singular simple present indicative of decay |
Where the eye mixes decals and decays
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. decals (CVCVCC) and decays (CVCVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses decals with decays
These two trip readers on the page rather than in the ear: decals is /ˈdiːkælz/ while decays is /dɪˈkeɪz/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - l in “decals” becomes y in “decays”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 75355, derived from the frequency rank of both members and their visual similarity.
decals is recorded at frequency rank #32,760, classified as anoun, pronounced /ˈdiːkælz/. decays is at rank #42,595, tagged as averb, pronounced /dɪˈkeɪz/.
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 75355, this pair ranks #33,377 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of decals vs decays
Shared letters: acdes. Private to "decals": l. Private to "decays": y.
"decals" · 6 letters · shape CVCVCC · "decays" · 6 letters · shape CVCVVC
Known mistypes of this pair
Frequently Asked Questions
Can "decals" and "decays" be used interchangeably?
In ordinary English text, does "decals" or "decays" show up more?
Useful next steps
Eye-level mix-up between "decals" and "decays" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "decals" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "decays" - compare definitions side by side with the headword page. Word entry
- This pair ranks #33,377 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "decals" and "decays" also get mixed up with nearby pairs, the highest-scored neighbour is "decays vs decry". 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 #33,377 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.