gourd vine vs vine

gourd vine and vine both are nouns.

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

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

gourd vine: any vine of the family Cucurbitaceae that bears fruits with hard rinds
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface

gourd vine (noun)	vine (noun)
any vine of the family Cucurbitaceae that bears fruits with hard rinds	a plant with a weak stem that derives support from climbing, twining, or creeping along a surface