oxidise vs alter

oxidise and alter both are verbs.

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

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

Other hypernyms of oxidise include change, modify.

oxidise (verb)	alter (verb)
add oxygen to or combine with oxygen	remove the ovaries of
enter into a combination with oxygen or become converted into an oxide	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