surrender vs abnegate

surrender is a noun but abnegate is not a noun.

Word	Noun	Adjective	Verb	Adverb
surrender	Yes	No	Yes	No
abnegate	No	No	Yes	No

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

Other hyponyms of surrender include concede, capitulate.

surrender (noun)	abnegate (noun)
the act of surrendering (usually under agreed conditions)
the delivery of a principal into lawful custody
a verbal act of admitting defeat
acceptance of despair

surrender (verb)	abnegate (verb)
give up or agree to forgo to the power or possession of another	deny or renounce
relinquish possession or control over	surrender (power or a position)
	deny oneself (something); restrain, especially from indulging in some pleasure