colored vs monochromous

colored is a noun but monochromous is not a noun.

Word	Noun	Adjective	Verb	Adverb
colored	Yes	Yes	No	No
monochromous	No	Yes	No	No

colored (noun)	monochromous (noun)
a United States term for Blacks that is now considered offensive

colored (adjective)	monochromous (adjective)
having color or a certain color; sometimes used in combination	having or appearing to have only one color
(used of color) artificially produced; not natural
having skin rich in melanin pigments;
favoring one person or side over another