individualise vs modify

individualise and modify both are verbs.

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

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

Other hypernyms of individualise include alter, change.

individualise (verb)	modify (verb)
make personal or more personal	make less severe or harsh or extreme
make or mark or treat as individual	add a modifier to a constituent
	cause to change; make different; cause a transformation