coloured vs polychrome

coloured and polychrome both are nouns.

Word	Noun	Adjective	Verb	Adverb
coloured	Yes	Yes	No	No
polychrome	Yes	Yes	Yes	No

coloured (noun)	polychrome (noun)
a United States term for Blacks that is now considered offensive	a piece of work composed of or decorated in many colors

coloured (adjective)	polychrome (adjective)
having color or a certain color; sometimes used in combination	having or exhibiting many colors
(used of color) artificially produced; not natural
having skin rich in melanin pigments;
favoring one person or side over another

coloured (verb)	polychrome (verb)
	color with many colors; make polychrome