cross vine vs vine

cross vine and vine both are nouns.

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

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

cross vine: 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

cross vine (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