pervert vs vitiate

pervert is a noun but vitiate is not a noun.

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

As verbs, pervert and vitiate are synonyms defined as:

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

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

pervert (verb)	vitiate (verb)
change the inherent purpose or function of something	take away the legal force of or render ineffective
practice sophistry; change the meaning of or be vague about in order to mislead or deceive	make imperfect
corrupt morally or by intemperance or sensuality	corrupt morally or by intemperance or sensuality