immortalise vs modify

immortalise and modify both are verbs.

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

As verbs, modify is a hypernym of immortalise; that is, modify is a word with a broader meaning than immortalise:

Other hypernyms of immortalise include alter, change.

immortalise (verb)	modify (verb)
make famous forever	make less severe or harsh or extreme
be or provide a memorial to a person or an event	add a modifier to a constituent
	cause to change; make different; cause a transformation