sanitize vs modify

sanitize and modify both are verbs.

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

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

sanitize: make less offensive or more acceptable by removing objectionable features
modify: cause to change; make different; cause a transformation

Other hypernyms of sanitize include alter, change.

sanitize (verb)	modify (verb)
make less offensive or more acceptable by removing objectionable features	make less severe or harsh or extreme
make sanitary by cleaning or sterilizing	add a modifier to a constituent
	cause to change; make different; cause a transformation