“-zation” vs “-sation”?
Each post has an indicator which summarises who the post is shared.
What is the difference between these two terms?
Should I write summarises or summarizes?
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
Note: this page in the Wikipedia contains a long list of words that end with "ize" or "ise" depending on whether the usage is American English or British English. You will find words like summarize(ise), organize(ise), authorize(ise) and many others there.