overrunvsoverturnWhich spelling fits?

Which to use

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

#18,149
“overrun” frequency rank
#21,890
“overturn” frequency rank
40039
confusion score

Side-by-Side Comparison

Feature overrun overturn
Definition To defeat an enemy and invade in great numbers, seizing the enemy positions conclusively. To turn over, capsize or upset.

Where the eye mixes overrun and overturn

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. overrun runs 7 letters (VCVCCVC) against overturn's 8 (VCVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
overrun
8 ch
overturn

Why the eye confuses overrun with overturn

A purely visual mix-up. overrun (/ˌəʊ.vəˈɹʌn/) and overturn (/ˌəʊvə(ɹ)ˈtɜː(ɹ)n/) 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 1 letter(s) in length. Our composite confusion score for this pair is 40039, derived from the frequency rank of both members and their visual similarity.

overrun is recorded at frequency rank #18,149, classified as averb, pronounced /ˌəʊ.vəˈɹʌn/. overturn is at rank #21,890, tagged as averb, pronounced /ˌəʊvə(ɹ)ˈtɜː(ɹ)n/.

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 40039, this pair ranks #271,229 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of overrun vs overturn

Shared letters: enoruv. Private to "overrun": -. Private to "overturn": t.

"overrun" · 7 letters · shape VCVCCVC  ·  "overturn" · 8 letters · shape VCVCCVCC

Known mistypes of this pair

  • overrun ← oevrrun · overrnu · overrunn · overun · overurn · ovrerun · ovverrun · voerrun
  • overturn ← oevrturn · overrturn · overtrun · overtturn · overtunr · overturnn · overturrn · overutrn

Frequently Asked Questions

Do "overrun" and "overturn" mean the same thing in a sentence?
No. They are said differently (/ˌəʊ.vəˈɹʌn/ versus /ˌəʊvə(ɹ)ˈtɜː(ɹ)n/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "overrun" or "overturn" show up more?
"overrun" is the more common of the two: it sits at frequency rank #18,149 in our English list, against #21,890 for "overturn". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "overrun" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "overturn" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #271,229 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "overrun" and "overturn" also get mixed up with nearby pairs, the highest-scored neighbour is "overran vs overrun". 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 #271,229 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