Which to use
“realisation” and “realization” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,479
- “realisation” frequency rank
- #10,920
- “realization” frequency rank
- 33399
- confusion score
Side-by-Side Comparison
| Feature | realisation | realization |
|---|---|---|
| Definition | Alternative spelling of realization. | The act of realizing, as: |
Letter map: realisation vs realization
Shared letters muted; letters that set realisation and realization apart highlighted. Shared run: 10.
Corpus notes: realisation and realization
realisation and realization 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 “realisation” becomes z in “realization”. Our composite confusion score for this pair is 33399, derived from the frequency rank of both members and their visual similarity.
realisation is recorded at frequency rank #22,479, classified as anoun. realization is at rank #10,920, tagged as anoun, pronounced /ˌɹɪə.laɪˈzeɪ.ʃən/.
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 33399, this pair ranks #329,771 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of realisation vs realization
Shared letters: aeilnort. Private to "realisation": s. Private to "realization": z.
"realisation" · 11 letters · shape CVVCVCVCVVC · "realization" · 11 letters · shape CVVCVCVCVVC
Known mistypes of this pair
- realisation ← eralisation · raelisation · reailsation · realiastion · realisaiton · realisasion · realisatino · realisationn
- realization ← eralization · raelization · reailzation · realiaztion · realizaiton · realizasion · realizatino · realizationn
Frequently Asked Questions
Can "realisation" and "realization" be used interchangeably?
Which is more common, "realisation" or "realization"?
What to do next
Done with this confusable. These links stay specific to "realisation" and "realization".
- Full dictionary entry for "realisation" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "realization" - compare definitions side by side with the headword page. Word entry
- This pair ranks #329,771 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "realisation" and "realization" also get mixed up with nearby pairs, the highest-scored neighbour is "realisation vs replication". 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 #329,771 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.