gourd vs vine

gourd and vine both are nouns.

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

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

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