liana vs vine

liana and vine both are nouns.

Word	Noun	Adjective	Verb	Adverb
liana	Yes	No	No	No
vine	Yes	No	No	No

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

liana: a woody climbing usually tropical plant
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface

liana (noun)	vine (noun)
a woody climbing usually tropical plant	a plant with a weak stem that derives support from climbing, twining, or creeping along a surface