Which to use
“equaliser” and “equalizer” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #34,476
- “equaliser” frequency rank
- #30,024
- “equalizer” frequency rank
- 64500
- confusion score
Side-by-Side Comparison
| Feature | equaliser | equalizer |
|---|---|---|
| Definition | Non-Oxford British English standard spelling of equalizer. | One who makes equal; a balancer. |
Letter map: equaliser vs equalizer
Shared letters muted; letters that set equaliser and equalizer apart highlighted. Shared run: 8.
Corpus notes: equaliser and equalizer
equaliser and equalizer 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 “equaliser” becomes z in “equalizer”. Our composite confusion score for this pair is 64500, derived from the frequency rank of both members and their visual similarity.
equaliser is recorded at frequency rank #34,476, classified as anoun. equalizer is at rank #30,024, tagged as anoun, pronounced /ˈiː.kwəˌlaɪ.zə/.
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 64500, this pair ranks #77,423 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of equaliser vs equalizer
Shared letters: aeilqru. Private to "equaliser": s. Private to "equalizer": z.
"equaliser" · 9 letters · shape VCVVCVCVC · "equalizer" · 9 letters · shape VCVVCVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "equaliser" for "equalizer" ever safe?
Which is more common, "equaliser" or "equalizer"?
Useful next steps
You've compared "equaliser" and "equalizer". Here's where to go from here.
- Full dictionary entry for "equaliser" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "equalizer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #77,423 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "equaliser" and "equalizer" also get mixed up with nearby pairs, the highest-scored neighbour is "equaliser vs equalize". 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 #77,423 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.