apologise vs apologize

apologise and apologize both are verbs.

Word	Noun	Adjective	Verb	Adverb
apologise	No	No	Yes	No
apologize	No	No	Yes	No

As verbs, apologise and apologize are synonyms defined as:

As verbs, apologise and apologize are synonyms defined as:

apologise and apologize: defend, explain, clear away, or make excuses for by reasoning

Other synonyms of apologise include excuse, rationalise, rationalize.

apologise (verb)	apologize (verb)
acknowledge faults or shortcomings or failing	acknowledge faults or shortcomings or failing
defend, explain, clear away, or make excuses for by reasoning	defend, explain, clear away, or make excuses for by reasoning