Bignonia capreolata vs vine

Bignonia capreolata and vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bignonia capreolata	Yes	No	No	No
vine	Yes	No	No	No

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

Bignonia capreolata: woody flowering vine of southern United States; stems show a cross in transverse section
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface

Bignonia capreolata (noun)	vine (noun)
woody flowering vine of southern United States; stems show a cross in transverse section	a plant with a weak stem that derives support from climbing, twining, or creeping along a surface