reprobation vs rejection

reprobation and rejection both are nouns.

Word	Noun	Adjective	Verb	Adverb
reprobation	Yes	No	No	No
rejection	Yes	No	No	No

As nouns, rejection is a hypernym of reprobation; that is, rejection is a word with a broader meaning than reprobation:

reprobation: rejection by God; the state of being condemned to eternal misery in Hell
rejection: the state of being rejected

reprobation (noun)	rejection (noun)
severe disapproval	the act of rejecting something
rejection by God; the state of being condemned to eternal misery in Hell	the speech act of rejecting
	(medicine) an immunological response that refuses to accept substances or organisms that are recognized as foreign
	the state of being rejected