blackwash vs character assassination

blackwash and character assassination both are nouns.

Word	Noun	Adjective	Verb	Adverb
blackwash	Yes	No	Yes	No
character assassination	Yes	No	No	No

As nouns, blackwash and character assassination are synonyms defined as:

blackwash and character assassination: an attack intended to ruin someone's reputation

Other synonyms of blackwash include assassination.

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

blackwash (verb)	character assassination (verb)
color with blackwash
bring (information) out of concealment