reject vs deter

reject is a noun but deter is not a noun.

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

As verbs, deter is a hyponym of reject; that is, deter is a word with a more specific, narrower meaning than reject:

Other hyponyms of reject include object, deprecate, discourage.

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

reject (verb)	deter (verb)
not accept something given or offered	turn away from by persuasion
dismiss from consideration or a contest	try to prevent; show opposition to
deem wrong or inappropriate
reject with contempt
not accept as true
refuse entrance or membership
resist immunologically the introduction of some foreign tissue or organ