demoralise vs alter

demoralise and alter both are verbs.

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

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

Other hypernyms of demoralise include change, modify.

demoralise (verb)	alter (verb)
lower someone's spirits; make downhearted	remove the ovaries of
corrupt morally or by intemperance or sensuality	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