repel vs reject

repel is not a noun while reject is a noun.

Word	Noun	Adjective	Verb	Adverb
repel	No	No	Yes	No
reject	Yes	No	Yes	No

As verbs, reject is a hypernym of repel; that is, reject is a word with a broader meaning than repel:

Other hypernyms of repel include disdain, freeze off, pooh-pooh, scorn, spurn, turn down.

repel (noun)	reject (noun)
	the person or thing that is rejected or set aside as inferior in quality

repel (verb)	reject (verb)
reject outright and bluntly	not accept something given or offered
force or drive back	dismiss from consideration or a contest
cause to move back by force or influence	deem wrong or inappropriate
be repellent to; cause aversion in	reject with contempt
fill with distaste	not accept as true
	refuse entrance or membership
	resist immunologically the introduction of some foreign tissue or organ