tortoise plant vs vine

tortoise plant and vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
tortoise plant	Yes	No	No	No
vine	Yes	No	No	No

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

tortoise plant: 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

tortoise plant (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