recognisevsrecognizeTell them apart

Which to use

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

#8,080
“recognise” frequency rank
#2,908
“recognize” frequency rank
10988
confusion score

Side-by-Side Comparison

Feature recognise recognize
Definition Non-Oxford British English standard spelling of recognize. To match (something or someone which one currently perceives) to a memory of some previous encounter with the same person or thing.

Where the eye mixes recognise and recognize

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

9 ch
recognise
9 ch
recognize

Visual trap between recognise and recognize

A purely visual mix-up. recognise (/ˈɹɛkənaɪz/) and recognize (/ˈɹɛk.əɡ.naɪz/) 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 a single letter - s in “recognise” becomes z in “recognize”. Our composite confusion score for this pair is 10988, derived from the frequency rank of both members and their visual similarity.

recognise is recorded at frequency rank #8,080, classified as averb, pronounced /ˈɹɛkənaɪz/. recognize is at rank #2,908, tagged as averb, pronounced /ˈɹɛk.əɡ.naɪz/.

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 10988, this pair ranks #489,462 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of recognise vs recognize

Shared letters: ceginor. Private to "recognise": s. Private to "recognize": z.

"recognise" · 9 letters · shape CVCVCCVCV  ·  "recognize" · 9 letters · shape CVCVCCVCV

Known mistypes of this pair

  • recogniseercognise · rceognise · reccognise · recgonise · recoggnise · recoginse · recognies · recognisse
  • recognizeercognize · rceognize · reccognize · recgonize · recoggnize · recoginze · recogniez · recognizze

Frequently Asked Questions

Do "recognise" and "recognize" mean the same thing in a sentence?
No. They are said differently (/ˈɹɛkənaɪz/ versus /ˈɹɛk.əɡ.naɪz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "recognise" or "recognize" show up more?
"recognize" is the more common of the two: it sits at frequency rank #2,908 in our English list, against #8,080 for "recognise". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "recognise" and "recognize" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "recognise" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "recognize" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #489,462 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "recognise" and "recognize" also get mixed up with nearby pairs, the highest-scored neighbour is "recognise vs recognized". 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 #489,462 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