hand over vs give away

hand over and give away both are verbs.

Word	Noun	Adjective	Verb	Adverb
hand over	No	No	Yes	No
give away	No	No	Yes	No

As verbs, give away is a hyponym of hand over; that is, give away is a word with a more specific, narrower meaning than hand over:

hand over: to surrender someone or something to another
give away: formally hand over to the bridegroom in marriage; of a bride by her father

Other hyponyms of hand over include bail.

hand over (verb)	give away (verb)
to surrender someone or something to another	make known to the public information that was previously known only to a few people or that was meant to be kept a secret
	give away information about somebody
	make a gift of
	formally hand over to the bridegroom in marriage; of a bride by her father