surrender vs capitulate

surrender is a noun but capitulate is not a noun.

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

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

Other hyponyms of surrender include abnegate, concede.

surrender (noun)	capitulate (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)	capitulate (verb)
give up or agree to forgo to the power or possession of another	surrender under agreed conditions
relinquish possession or control over