preventvspreventedWhich spelling fits?

Which to use

“prevent” and “prevented” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,701
“prevent” frequency rank
#6,171
“prevented” frequency rank
7872
confusion score

Side-by-Side Comparison

Feature prevent prevented
Definition To stop (an outcome); to keep from (doing something). simple past and past participle of prevent

Where the eye mixes prevent and prevented

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

7 ch
prevent
9 ch
prevented

Visual trap between prevent and prevented

A purely visual mix-up. prevent (/pɹɪˈvɛnt/) and prevented (/pɹɪˈvɛntɪd/) 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 extra letter(s) - “prevent” sits inside “prevented”. Our composite confusion score for this pair is 7872, derived from the frequency rank of both members and their visual similarity.

prevent is recorded at frequency rank #1,701, classified as averb, pronounced /pɹɪˈvɛnt/. prevented is at rank #6,171, tagged as averb, pronounced /pɹɪˈvɛntɪd/.

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 7872, this pair ranks #505,193 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of prevent vs prevented

Shared letters: enprtv. Private to "prevent": -. Private to "prevented": d.

"prevent" · 7 letters · shape CCVCVCC  ·  "prevented" · 9 letters · shape CCVCVCCVC

Known mistypes of this pair

  • preventpervent · pprevent · preevnt · prevennt · preventt · prevetn · prevnet · prevvent
  • preventedpervented · pprevented · preevnted · prevenetd · prevennted · preventde · preventedd · preventted

Frequently Asked Questions

Is swapping "prevent" for "prevented" ever safe?
No. They are said differently (/pɹɪˈvɛnt/ versus /pɹɪˈvɛntɪd/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "prevent" or "prevented"?
"prevent" is the more common of the two: it sits at frequency rank #1,701 in our English list, against #6,171 for "prevented". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "prevent" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prevented" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #505,193 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "prevent" and "prevented" also get mixed up with nearby pairs, the highest-scored neighbour is "precept vs prevent". 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 #505,193 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