cinnabar vs Hg

cinnabar and Hg both are nouns.

Word	Noun	Adjective	Verb	Adverb
cinnabar	Yes	Yes	No	No
Hg	Yes	No	No	No

cinnabar (noun)	Hg (noun)
large red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort	a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury

cinnabar (adjective)	Hg (adjective)
of a vivid red to reddish-orange color