eat up vs pervert

eat up is not a noun while pervert is a noun.

Word	Noun	Adjective	Verb	Adverb
eat up	No	No	Yes	No
pervert	Yes	No	Yes	No

As verbs, pervert is a hyponym of eat up; that is, pervert is a word with a more specific, narrower meaning than eat up:

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

eat up (verb)	pervert (verb)
finish eating all the food on one's plate or on the table	change the inherent purpose or function of something
use up (resources or materials)	practice sophistry; change the meaning of or be vague about in order to mislead or deceive
enclose or envelop completely, as if by swallowing	corrupt morally or by intemperance or sensuality