immortalize vs memorialise

immortalize and memorialise both are verbs.

Word	Noun	Adjective	Verb	Adverb
immortalize	No	No	Yes	No
memorialise	No	No	Yes	No

As verbs, immortalize and memorialise are synonyms defined as:

immortalize and memorialise: be or provide a memorial to a person or an event

Other synonyms of immortalize include commemorate, immortalise, memorialize.

immortalize (verb)	memorialise (verb)
make famous forever	be or provide a memorial to a person or an event
be or provide a memorial to a person or an event	address in a memorial