giveaway vs revelation

giveaway and revelation both are nouns.

Word	Noun	Adjective	Verb	Adverb
giveaway	Yes	No	No	No
revelation	Yes	No	No	No

As nouns, revelation is a hypernym of giveaway; that is, revelation is a word with a broader meaning than giveaway:

Other hypernyms of giveaway include disclosure, revealing.

giveaway (noun)	revelation (noun)
an unintentional disclosure	an enlightening or astonishing disclosure
a television or radio program in which contestants compete for awards	communication of knowledge to man by a divine or supernatural agency
a gift of public land or resources for the private gain of a limited group	the speech act of making something evident