Which to use
“overlay” and “overran” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #21,306
- “overlay” frequency rank
- #41,294
- “overran” frequency rank
- 62600
- confusion score
Side-by-Side Comparison
| Feature | overlay | overran |
|---|---|---|
| Definition | To lay, spread, or apply (something) over or across (something else); to overspread. | simple past of overrun |
Where the eye mixes overlay and overran
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between overlay and overran
A purely visual mix-up. overlay (/ˌəʊ.vəˈleɪ/) and overran (/ˌəʊ.vəˈɹæn/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 62600, derived from the frequency rank of both members and their visual similarity.
overlay is recorded at frequency rank #21,306, classified as averb, pronounced /ˌəʊ.vəˈleɪ/. overran is at rank #41,294, tagged as averb, pronounced /ˌəʊ.vəˈɹæn/.
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 62600, this pair ranks #87,577 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of overlay vs overran
Shared letters: aeorv. Private to "overlay": ly. Private to "overran": n.
"overlay" · 7 letters · shape VCVCCVV · "overran" · 7 letters · shape VCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "overlay" and "overran" be used interchangeably?
Frequency check: "overlay" vs "overran" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "overlay" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "overran" - compare definitions side by side with the headword page. Word entry
- This pair ranks #87,577 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "overlay" and "overran" also get mixed up with nearby pairs, the highest-scored neighbour is "overhang vs overran". 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 #87,577 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.