perennial vs annual

perennial and annual both are nouns.

Word	Noun	Adjective	Verb	Adverb
perennial	Yes	Yes	No	No
annual	Yes	Yes	No	No

perennial (noun)	annual (noun)
(botany) a plant lasting for three seasons or more	a reference book that is published regularly once every year
	(botany) a plant that completes its entire life cycle within the space of a year

perennial (adjective)	annual (adjective)
lasting three seasons or more	completing its life cycle within a year
recurring again and again	occurring or payable every year
lasting an indefinitely long time; suggesting self-renewal