demagnetise vs modify

demagnetise and modify both are verbs.

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

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

Other hypernyms of demagnetise include alter, change.

demagnetise (verb)	modify (verb)
make nonmagnetic; take away the magnetic properties (of)	make less severe or harsh or extreme
erase (a magnetic storage device)	add a modifier to a constituent
	cause to change; make different; cause a transformation