humanize vs modify

humanize and modify both are verbs.

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

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

Other hypernyms of humanize include alter, change.

humanize (verb)	modify (verb)
make more humane	make less severe or harsh or extreme
	add a modifier to a constituent
	cause to change; make different; cause a transformation