Which to use
“emphasise” and “emphasize” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,410
- “emphasise” frequency rank
- #11,373
- “emphasize” frequency rank
- 37783
- confusion score
Side-by-Side Comparison
| Feature | emphasise | emphasize |
|---|---|---|
| Definition | British standard spelling of emphasize. | To stress, give emphasis or extra weight to (something). |
Letter map: emphasise vs emphasize
Shared letters muted; letters that set emphasise and emphasize apart highlighted. Shared run: 8.
Corpus notes: emphasise and emphasize
emphasise and emphasize are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - s in “emphasise” becomes z in “emphasize”. Our composite confusion score for this pair is 37783, derived from the frequency rank of both members and their visual similarity.
emphasise is recorded at frequency rank #26,410, classified as averb. emphasize is at rank #11,373, tagged as averb, pronounced /ˈɛm.fə.saɪz/.
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 37783, this pair ranks #291,534 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of emphasise vs emphasize
Shared letters: aehimps. Private to "emphasise": -. Private to "emphasize": z.
"emphasise" · 9 letters · shape VCCCVCVCV · "emphasize" · 9 letters · shape VCCCVCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "emphasise" for "emphasize" ever safe?
In ordinary English text, does "emphasise" or "emphasize" show up more?
What to do next
You've compared "emphasise" and "emphasize". Here's where to go from here.
- Full dictionary entry for "emphasise" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "emphasize" - compare definitions side by side with the headword page. Word entry
- This pair ranks #291,534 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "emphasise" and "emphasize" also get mixed up with nearby pairs, the highest-scored neighbour is "emphasise vs emphasized". 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 #291,534 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.