blackwash vs discover

blackwash is a noun but discover is not a noun.

Word	Noun	Adjective	Verb	Adverb
blackwash	Yes	No	Yes	No
discover	No	No	Yes	No

As verbs, discover is a hypernym of blackwash; that is, discover is a word with a broader meaning than blackwash:

blackwash: bring (information) out of concealment
discover: make known to the public information that was previously known only to a few people or that was meant to be kept a secret

Other hypernyms of blackwash include break, bring out, disclose, divulge, expose, give away, let on, let out, reveal, uncover, unwrap.

blackwash (noun)	discover (noun)
a wash that colors a surface black
a mixture of calomel and limewater that is used on syphilitic sores
an attack intended to ruin someone's reputation

blackwash (verb)	discover (verb)
color with blackwash	get to know or become aware of, usually accidentally
bring (information) out of concealment	identify as in botany or biology, for example
	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 a discovery, make a new finding
	see for the first time; make a discovery
	discover or determine the existence, presence, or fact of by perception with the eyes
	find unexpectedly