chiaroscuro vs ikon

chiaroscuro and ikon both are nouns.

Word	Noun	Adjective	Verb	Adverb
chiaroscuro	Yes	No	No	No
ikon	Yes	No	No	No

As nouns, ikon is a hypernym of chiaroscuro; that is, ikon is a word with a broader meaning than chiaroscuro:

chiaroscuro: a monochrome picture made by using several different shades of the same color
ikon: a visual representation (of an object or scene or person or abstraction) produced on a surface

Other hypernyms of chiaroscuro include icon, image, picture.

chiaroscuro (noun)	ikon (noun)
a monochrome picture made by using several different shades of the same color	a visual representation (of an object or scene or person or abstraction) produced on a surface
	a conventional religious painting in oil on a small wooden panel; venerated in the Eastern Church