digitise vs modify

digitise and modify both are verbs.

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

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

Other hypernyms of digitise include alter, change.

digitise (verb)	modify (verb)
put into digital form, as for use in a computer	make less severe or harsh or extreme
	add a modifier to a constituent
	cause to change; make different; cause a transformation