blackwash vs calomel

blackwash and calomel both are nouns.

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

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

blackwash (verb)	calomel (verb)
color with blackwash
bring (information) out of concealment