demoralise vs pervert

demoralise is not a noun while pervert is a noun.

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

As verbs, demoralise and pervert are synonyms defined as:

demoralise and pervert: corrupt morally or by intemperance or sensuality

Other synonyms of demoralise include corrupt, debase, debauch, demoralize, deprave, misdirect, profane, subvert, vitiate.

demoralise (noun)	pervert (noun)
	a person whose behavior deviates from what is acceptable especially in sexual behavior

demoralise (verb)	pervert (verb)
lower someone's spirits; make downhearted	change the inherent purpose or function of something
corrupt morally or by intemperance or sensuality	practice sophistry; change the meaning of or be vague about in order to mislead or deceive
	corrupt morally or by intemperance or sensuality