blackwash vs colorise

blackwash is a noun but colorise is not a noun.

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

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

Other hypernyms of blackwash include color, color in, colorize, colour, colour in, colourise, colourize.

blackwash (noun)	colorise (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)	colorise (verb)
color with blackwash	add color to
bring (information) out of concealment