barbarize vs alter

barbarize and alter both are verbs.

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

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

Other hypernyms of barbarize include change, modify.

barbarize (verb)	alter (verb)
make crude or savage in behavior or speech	remove the ovaries of
become crude or savage or barbaric in behavior or language	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