caramel vs raw sienna

caramel and raw sienna both are nouns.

Word	Noun	Adjective	Verb	Adverb
caramel	Yes	Yes	No	No
raw sienna	Yes	No	No	No

As nouns, caramel and raw sienna are synonyms defined as:

Other synonyms of caramel include buff, caramel brown, yellowish brown.

caramel (noun)	raw sienna (noun)
a medium to dark tan color	a medium to dark tan color
firm chewy candy made from caramelized sugar and butter and milk	a yellowish-brown pigment made from untreated sienna
burnt sugar; used to color and flavor food

caramel (adjective)	raw sienna (adjective)
having the color of caramel; of a moderate yellow-brown