liberalize vs alter

liberalize and alter both are verbs.

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

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

Other hypernyms of liberalize include change, modify.

liberalize (verb)	alter (verb)
make liberal or more liberal, of laws and rules	remove the ovaries of
become more liberal	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