refresh vs alter

refresh and alter both are verbs.

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

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

Other hypernyms of refresh include change, modify.

refresh (verb)	alter (verb)
make fresh again	remove the ovaries of
become or make oneself fresh again	become different in some particular way, without permanently losing one's or its former characteristics or essence
make (to feel) fresh	cause to change; make different; cause a transformation
refresh one's memory	insert words into texts, often falsifying it thereby
	make an alteration to