give away vs fork over

give away and fork over both are verbs.

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

As verbs, fork over is a hypernym of give away; that is, fork over is a word with a broader meaning than give away:

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

Other hypernyms of give away include deliver, fork out, fork up, hand over, render, turn in.

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