monochromatic vs monochromous

monochromatic and monochromous both are adjectives.

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

As adjectives, monochromatic and monochromous are synonyms defined as:

monochromatic and monochromous: having or appearing to have only one color

Other synonyms of monochromatic include monochrome, monochromic.

monochromatic (adjective)	monochromous (adjective)
(of light or other electromagnetic radiation) having only one wavelength	having or appearing to have only one color
of or relating to monochromatism
having or appearing to have only one color