alocasia vs aroid

alocasia and aroid both are nouns.

Word	Noun	Adjective	Verb	Adverb
alocasia	Yes	No	No	No
aroid	Yes	Yes	No	No

As nouns, aroid is a hypernym of alocasia; that is, aroid is a word with a broader meaning than alocasia:

alocasia: any plant of the genus Alocasia having large showy basal leaves and boat-shaped spathe and reddish berries
aroid: any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe

Other hypernyms of alocasia include arum.

alocasia (noun)	aroid (noun)
any plant of the genus Alocasia having large showy basal leaves and boat-shaped spathe and reddish berries	any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe

alocasia (adjective)	aroid (adjective)
	relating to a plant of the family Araceae