wicked vs repellent

wicked is not a noun while repellent is a noun.

Word	Noun	Adjective	Verb	Adverb
wicked	No	Yes	No	No
repellent	Yes	Yes	No	No

As adjectives, wicked and repellent are synonyms defined as:

wicked (noun)	repellent (noun)
	the power to repel
	a chemical substance that repels animals
	a compound with which fabrics are treated to repel water

wicked (adjective)	repellent (adjective)
morally bad in principle or practice	incapable of absorbing or mixing with
intensely or extremely bad or unpleasant in degree or quality	highly offensive; arousing aversion or disgust
highly offensive; arousing aversion or disgust	serving or tending to repel
naughtily or annoyingly playful
having committed unrighteous acts