Ecballium elaterium vs gourd

Ecballium elaterium and gourd both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ecballium elaterium	Yes	No	No	No
gourd	Yes	No	No	No

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

Ecballium elaterium: Mediterranean vine having oblong fruit that when ripe expels its seeds and juice violently when touched
gourd: any vine of the family Cucurbitaceae that bears fruits with hard rinds

Other hypernyms of Ecballium elaterium include gourd vine.

Ecballium elaterium (noun)	gourd (noun)
Mediterranean vine having oblong fruit that when ripe expels its seeds and juice violently when touched	bottle made from the dried shell of a bottle gourd
	any vine of the family Cucurbitaceae that bears fruits with hard rinds
	any of numerous inedible fruits with hard rinds