eternalize vs immortalise

eternalize and immortalise both are verbs.

Word	Noun	Adjective	Verb	Adverb
eternalize	No	No	Yes	No
immortalise	No	No	Yes	No

As verbs, eternalize and immortalise are synonyms defined as:

Other synonyms of eternalize include eternalise, eternise, eternize, immortalize.

eternalize (verb)	immortalise (verb)
make famous forever	make famous forever
	be or provide a memorial to a person or an event