subvert vs alter

subvert and alter both are verbs.

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

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

Other hypernyms of subvert include change, modify.

subvert (verb)	alter (verb)
to raze to the ground, also figuratively	remove the ovaries of
cause the downfall of; of rulers	become different in some particular way, without permanently losing one's or its former characteristics or essence
destroy property or hinder normal operations	cause to change; make different; cause a transformation
corrupt morally or by intemperance or sensuality	insert words into texts, often falsifying it thereby
	make an alteration to