biennial vs botany

biennial and botany both are nouns.

Word	Noun	Adjective	Verb	Adverb
biennial	Yes	Yes	No	No
botany	Yes	No	No	No

biennial (noun)	botany (noun)
(botany) a plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usually bloom and fruit in the second season	the branch of biology that studies plants
	all the plant life in a particular region or period

biennial (adjective)	botany (adjective)
having a life cycle lasting two seasons
occurring every second year