magnetise vs alter

magnetise and alter both are verbs.

Word	Noun	Adjective	Verb	Adverb
magnetise	No	No	Yes	No
alter	No	No	Yes	No

As verbs, alter is a hypernym of magnetise; that is, alter is a word with a broader meaning than magnetise:

Other hypernyms of magnetise include change, modify.

magnetise (verb)	alter (verb)
make magnetic	remove the ovaries of
attract strongly, as if with a magnet	become different in some particular way, without permanently losing one's or its former characteristics or essence
	cause to change; make different; cause a transformation
	insert words into texts, often falsifying it thereby
	make an alteration to