repellent vs wicked

repellent is a noun but wicked is not a noun.

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

As adjectives, repellent and wicked are synonyms defined as:

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

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