expose vs unveil

expose is a noun but unveil is not a noun.

Word	Noun	Adjective	Verb	Adverb
expose	Yes	No	Yes	No
unveil	No	No	Yes	No

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

Other hyponyms of expose include undo, unwrap, undrape, unclothe, bare, unmask.

As verbs, unveil is a hypernym of expose; that is, unveil is a word with a broader meaning than expose:

Other hypernyms of expose include bring out, reveal.

expose (noun)	unveil (noun)
the exposure of an impostor or a fraud

expose (verb)	unveil (verb)
abandon by leaving out in the open air	remove the veil from
expose while ridiculing; especially of pretentious or false claims and ideas	remove the cover from
make known to the public information that was previously known only to a few people or that was meant to be kept a secret	make manifest
put in a dangerous, disadvantageous, or difficult position
remove all or part of one's clothes to show one's body
to show, make visible or apparent
expose to light, of photographic film
expose or make accessible to some action or influence
reveal to view as by removing a cover