decadevsdecayedWhat's the difference?

Quick tell: decade is a noun, decayed is an adjective, so they fill different roles in a sentence.

Which to use

“decade” is a noun and “decayed” is an adjective - they look or sound alike but fill different roles in a sentence.

#2,886
“decade” frequency rank
#35,246
“decayed” frequency rank
38132
confusion score

Side-by-Side Comparison

Feature decade decayed
Definition A group, set, or series of ten , particularly Having undergone decay, rotted.

Where the eye mixes decade and decayed

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
decade
7 ch
decayed

Look-alike desk: decade vs decayed

These two trip readers on the page rather than in the ear: decade is /ˈdɛkeɪd/ while decayed is /dɪˈkeɪd/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 38132, derived from the frequency rank of both members and their visual similarity.

decade is recorded at frequency rank #2,886, classified as anoun, pronounced /ˈdɛkeɪd/. decayed is at rank #35,246, tagged as anadj, pronounced /dɪˈkeɪd/.

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 38132, this pair ranks #288,558 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of decade vs decayed

Shared letters: acde. Private to "decade": -. Private to "decayed": y.

"decade" · 6 letters · shape CVCVCV  ·  "decayed" · 7 letters · shape CVCVVVC

Known mistypes of this pair

  • decadedceade · ddecade · deacde · decadde · decaed · deccade · decdae · edcade
  • decayeddceayed · ddecayed · deacyed · decaeyd · decayde · decayedd · decayyed · deccayed

Frequently Asked Questions

Is swapping "decade" for "decayed" ever safe?
No - they are not even the same part of speech. "decade" is a noun and "decayed" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "decade" or "decayed"?
"decade" is the more common of the two: it sits at frequency rank #2,886 in our English list, against #35,246 for "decayed". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "decade" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "decayed" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #288,558 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "decade" and "decayed" also get mixed up with nearby pairs, the highest-scored neighbour is "decayed vs decays". 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 #288,558 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