false bittersweet vs American bittersweet

false bittersweet and American bittersweet both are nouns.

Word	Noun	Adjective	Verb	Adverb
false bittersweet	Yes	No	No	No
American bittersweet	Yes	No	No	No

As nouns, false bittersweet and American bittersweet are synonyms defined as:

false bittersweet and American bittersweet: twining shrub of North America having yellow capsules enclosing scarlet seeds

false bittersweet (noun)	American bittersweet (noun)
twining shrub of North America having yellow capsules enclosing scarlet seeds	twining shrub of North America having yellow capsules enclosing scarlet seeds