oriental bittersweet vs vine

oriental bittersweet and vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
oriental bittersweet	Yes	No	No	No
vine	Yes	No	No	No

As nouns, vine is a hypernym of oriental bittersweet; that is, vine is a word with a broader meaning than oriental bittersweet:

oriental bittersweet: ornamental Asiatic vine with showy orange-yellow fruit with a scarlet aril; naturalized in North America
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface

oriental bittersweet (noun)	vine (noun)
ornamental Asiatic vine with showy orange-yellow fruit with a scarlet aril; naturalized in North America	a plant with a weak stem that derives support from climbing, twining, or creeping along a surface