Japanese ivy vs vine

Japanese ivy and vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese ivy	Yes	No	No	No
vine	Yes	No	No	No

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

Japanese ivy: Asiatic vine with three-lobed leaves and purple berries
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface

Japanese ivy (noun)	vine (noun)
Asiatic vine with three-lobed leaves and purple berries	a plant with a weak stem that derives support from climbing, twining, or creeping along a surface