cast down vs demoralize

cast down and demoralize both are verbs.

Word	Noun	Adjective	Verb	Adverb
cast down	No	No	Yes	No
demoralize	No	No	Yes	No

As verbs, cast down and demoralize are synonyms defined as:

Other synonyms of cast down include deject, demoralise, depress, dismay, dispirit, get down.

cast down (verb)	demoralize (verb)
lower someone's spirits; make downhearted	confuse or put into disorder
	lower someone's spirits; make downhearted
	corrupt morally or by intemperance or sensuality