arum vs aroid

arum and aroid both are nouns.

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

As nouns, arum and aroid are synonyms defined as:

arum and aroid: any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe

arum (noun)	aroid (noun)
any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe	any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe
starch resembling sago that is obtained from cuckoopint root

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