aroid vs arum

aroid and arum both are nouns.

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

As nouns, aroid and arum are synonyms defined as:

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

aroid (noun)	arum (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

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