"Realize" is primarily American English, while "realise" is primarily British English. Both are valid spellings of the same word but are preferred in different geographical regions.
Spelling Variations and Geographical Preference
The difference between "realize" and "realise" is a matter of spelling convention. Here's a breakdown:
- Realize: This spelling is standard in American and Canadian English.
- Realise: This spelling is standard in British, Australian, and most other Commonwealth countries.
Usage Across the English-Speaking World
While geographical preferences exist, both spellings are understood throughout the English-speaking world. You're more likely to encounter "realise" in British publications and "realize" in American publications.
Example
- American English: I realize I made a mistake.
- British English: I realise I made a mistake.