sang vs American ginseng

sang and American ginseng both are nouns.

Word	Noun	Adjective	Verb	Adverb
sang	Yes	No	No	No
American ginseng	Yes	No	No	No

As nouns, sang and American ginseng are synonyms defined as:

sang and American ginseng: North American woodland herb similar to and used as substitute for the Chinese ginseng

Other synonyms of sang include Panax quinquefolius.

sang (noun)	American ginseng (noun)
North American woodland herb similar to and used as substitute for the Chinese ginseng	North American woodland herb similar to and used as substitute for the Chinese ginseng