Hottentot's bread vine vs vine

Hottentot's bread vine and vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hottentot's bread vine	Yes	No	No	No
vine	Yes	No	No	No

As nouns, vine is a hypernym of Hottentot's bread vine; that is, vine is a word with a broader meaning than Hottentot's bread vine:

Hottentot's bread vine: South African vine having a massive rootstock covered with deeply fissured bark
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface

Hottentot's bread vine (noun)	vine (noun)
South African vine having a massive rootstock covered with deeply fissured bark	a plant with a weak stem that derives support from climbing, twining, or creeping along a surface