acceleratevsacceleratedWhat's the difference?

Quick tell: accelerate is a verb, accelerated is an adjective, so they fill different roles in a sentence.

Which to use

“accelerate” is a verb and “accelerated” is an adjective - they look or sound alike but fill different roles in a sentence.

#11,829
“accelerate” frequency rank
#10,320
“accelerated” frequency rank
22149
confusion score

Side-by-Side Comparison

Feature accelerate accelerated
Definition To cause to move faster; to quicken the motion of; to add to the speed of. Moving or progressing faster than is usual.

Letter map: accelerate vs accelerated

Shared letters muted; letters that set accelerate and accelerated apart highlighted. Shared run: 10.

10 ch
accelerate
11 ch
accelerated

Role in the sentence - accelerate and accelerated

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: accelerate is averb and acceleratedanadjective. On the page they differ by 1 extra letter(s) - “accelerate” sits inside “accelerated”. Our composite confusion score for this pair is 22149, derived from the frequency rank of both members and their visual similarity.

accelerate is recorded at frequency rank #11,829, classified as averb, pronounced /əkˈsɛl.əˌɹeɪt/. accelerated is at rank #10,320, tagged as anadj.

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 22149, this pair ranks #418,705 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of accelerate vs accelerated

Shared letters: acelrt. Private to "accelerate": -. Private to "accelerated": d.

"accelerate" · 10 letters · shape VCCVCVCVCV  ·  "accelerated" · 11 letters · shape VCCVCVCVCVC

Known mistypes of this pair

  • accelerateacceelrate · accelearte · acceleraet · acceleratte · accelerrate · accelertae · accellerate · accelreate
  • acceleratedacceelrated · accelearted · acceleraetd · acceleratde · acceleratedd · acceleratted · accelerrated · accelertaed

Frequently Asked Questions

Is swapping "accelerate" for "accelerated" ever safe?
No - they are not even the same part of speech. "accelerate" is a verb and "accelerated" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "accelerate" or "accelerated"?
"accelerated" is the more common of the two: it sits at frequency rank #10,320 in our English list, against #11,829 for "accelerate". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "accelerate" and "accelerated".

  • Full dictionary entry for "accelerate" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "accelerated" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #418,705 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "accelerate" and "accelerated" also get mixed up with nearby pairs, the highest-scored neighbour is "accelerate vs accelerator". 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 #418,705 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