vitrify vs alter

vitrify and alter both are verbs.

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

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

Other hypernyms of vitrify include change, modify.

vitrify (verb)	alter (verb)
undergo vitrification; become glassy or glass-like	remove the ovaries of
change into glass or a glass-like substance by applying heat	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