decaysvsdelayConfusable pair

Quick tell: decays is a verb, delay is a noun, so they fill different roles in a sentence.

Which to use

“decays” is a verb and “delay” is a noun - they look or sound alike but fill different roles in a sentence.

#42,595
“decays” frequency rank
#3,618
“delay” frequency rank
46213
confusion score

Side-by-Side Comparison

Feature decays delay
Definition third-person singular simple present indicative of decay A period of time before an event occurs; the act of delaying; procrastination; lingering inactivity.

Where the eye mixes decays and delay

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

6 ch
decays
5 ch
delay

Why the eye confuses decays with delay

These two trip readers on the page rather than in the ear: decays is /dɪˈkeɪz/ while delay is /dɪˈleɪ/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 46213, derived from the frequency rank of both members and their visual similarity.

decays is recorded at frequency rank #42,595, classified as averb, pronounced /dɪˈkeɪz/. delay is at rank #3,618, tagged as anoun, pronounced /dɪˈleɪ/.

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 46213, this pair ranks #213,911 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of decays vs delay

Shared letters: adey. Private to "decays": cs. Private to "delay": l.

"decays" · 6 letters · shape CVCVVC  ·  "delay" · 5 letters · shape CVCVV

Known mistypes of this pair

  • decaysdceays · ddecays · deacys · decasy · decayss · decayys · deccays · decyas
  • delayddelay · dealy · delayy · dellay · delya · dleay · edlay

Frequently Asked Questions

Do "decays" and "delay" mean the same thing in a sentence?
No - they are not even the same part of speech. "decays" is a verb and "delay" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "decays" or "delay"?
"delay" is the more common of the two: it sits at frequency rank #3,618 in our English list, against #42,595 for "decays". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "decays" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "delay" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #213,911 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "decays" and "delay" 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 #213,911 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