calabazilla vs gourd vine

calabazilla and gourd vine both are nouns.

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

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

calabazilla: perennial vine of dry parts of central and southwestern United States and Mexico having small hard mottled green inedible fruit
gourd vine: any vine of the family Cucurbitaceae that bears fruits with hard rinds

Other hypernyms of calabazilla include gourd.

calabazilla (noun)	gourd vine (noun)
perennial vine of dry parts of central and southwestern United States and Mexico having small hard mottled green inedible fruit	any vine of the family Cucurbitaceae that bears fruits with hard rinds